Home / 16,901.79-23,323.56-9,347.68

Finding the Fourth Proportional to 16,901.79, 23,323.56 and 9,347.68

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Solution

The fourth proportional to 16,901.79, 23,323.56 and 9,347.68 is: 12,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.79 : 23,323.56 = 9,347.68 : x
  2. Step 2: Convert to fraction form
    16,901.79/23,323.56 = 9,347.68/x
  3. Step 3: Cross multiply
    16,901.79x = 23,323.56 × 9,347.68
  4. Step 4: Simplify right side
    16,901.79x = 218,021,116.99
  5. Step 5: Solve for x
    x = 218,021,116.99/16,901.79
  6. Step 6: Final answer
    x = 12,899.29

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Half scale
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Double scale
Find fourth proportional to 16,902.79, 23,324.94 and 9,348.68
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.