Home / 14,732.88-20,331.24-8,769.12

Finding the Fourth Proportional to 14,732.88, 20,331.24 and 8,769.12

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Solution

The fourth proportional to 14,732.88, 20,331.24 and 8,769.12 is: 12,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.88 : 20,331.24 = 8,769.12 : x
  2. Step 2: Convert to fraction form
    14,732.88/20,331.24 = 8,769.12/x
  3. Step 3: Cross multiply
    14,732.88x = 20,331.24 × 8,769.12
  4. Step 4: Simplify right side
    14,732.88x = 178,287,083.31
  5. Step 5: Solve for x
    x = 178,287,083.31/14,732.88
  6. Step 6: Final answer
    x = 12,101.31

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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.