Home / 14,732.15-20,331.45-8,359.83

Finding the Fourth Proportional to 14,732.15, 20,331.45 and 8,359.83

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Solution

The fourth proportional to 14,732.15, 20,331.45 and 8,359.83 is: 11,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.15 : 20,331.45 = 8,359.83 : x
  2. Step 2: Convert to fraction form
    14,732.15/20,331.45 = 8,359.83/x
  3. Step 3: Cross multiply
    14,732.15x = 20,331.45 × 8,359.83
  4. Step 4: Simplify right side
    14,732.15x = 169,967,541.90
  5. Step 5: Solve for x
    x = 169,967,541.90/14,732.15
  6. Step 6: Final answer
    x = 11,537.19

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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.