Home / 14,732.30-20,331.03-8,359.16

Finding the Fourth Proportional to 14,732.30, 20,331.03 and 8,359.16

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Solution

The fourth proportional to 14,732.30, 20,331.03 and 8,359.16 is: 11,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.30 : 20,331.03 = 8,359.16 : x
  2. Step 2: Convert to fraction form
    14,732.30/20,331.03 = 8,359.16/x
  3. Step 3: Cross multiply
    14,732.30x = 20,331.03 × 8,359.16
  4. Step 4: Simplify right side
    14,732.30x = 169,950,189.28
  5. Step 5: Solve for x
    x = 169,950,189.28/14,732.30
  6. Step 6: Final answer
    x = 11,535.89

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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.