Home / 14,732.06-20,331.15-8,445.38

Finding the Fourth Proportional to 14,732.06, 20,331.15 and 8,445.38

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Solution

The fourth proportional to 14,732.06, 20,331.15 and 8,445.38 is: 11,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.06 : 20,331.15 = 8,445.38 : x
  2. Step 2: Convert to fraction form
    14,732.06/20,331.15 = 8,445.38/x
  3. Step 3: Cross multiply
    14,732.06x = 20,331.15 × 8,445.38
  4. Step 4: Simplify right side
    14,732.06x = 171,704,287.59
  5. Step 5: Solve for x
    x = 171,704,287.59/14,732.06
  6. Step 6: Final answer
    x = 11,655.14

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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.