Home / 14,003.19-19,324.80-8,035.92

Finding the Fourth Proportional to 14,003.19, 19,324.80 and 8,035.92

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Solution

The fourth proportional to 14,003.19, 19,324.80 and 8,035.92 is: 11,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.19 : 19,324.80 = 8,035.92 : x
  2. Step 2: Convert to fraction form
    14,003.19/19,324.80 = 8,035.92/x
  3. Step 3: Cross multiply
    14,003.19x = 19,324.80 × 8,035.92
  4. Step 4: Simplify right side
    14,003.19x = 155,292,546.82
  5. Step 5: Solve for x
    x = 155,292,546.82/14,003.19
  6. Step 6: Final answer
    x = 11,089.80

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Half scale
Find fourth proportional to 28,006.38, 38,649.60 and 16,071.84
Double scale
Find fourth proportional to 14,004.19, 19,326.18 and 8,036.92
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.