Home / 16,877.92-23,291.42-9,324.76

Finding the Fourth Proportional to 16,877.92, 23,291.42 and 9,324.76

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Solution

The fourth proportional to 16,877.92, 23,291.42 and 9,324.76 is: 12,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.92 : 23,291.42 = 9,324.76 : x
  2. Step 2: Convert to fraction form
    16,877.92/23,291.42 = 9,324.76/x
  3. Step 3: Cross multiply
    16,877.92x = 23,291.42 × 9,324.76
  4. Step 4: Simplify right side
    16,877.92x = 217,186,901.56
  5. Step 5: Solve for x
    x = 217,186,901.56/16,877.92
  6. Step 6: Final answer
    x = 12,868.11

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Find fourth proportional to 8,438.96, 11,645.71 and 4,662.38
Half scale
Find fourth proportional to 33,755.84, 46,582.84 and 18,649.52
Double scale
Find fourth proportional to 16,878.92, 23,292.80 and 9,325.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.