Home / 14,592.72-20,139.12-8,306.04

Finding the Fourth Proportional to 14,592.72, 20,139.12 and 8,306.04

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Solution

The fourth proportional to 14,592.72, 20,139.12 and 8,306.04 is: 11,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.72 : 20,139.12 = 8,306.04 : x
  2. Step 2: Convert to fraction form
    14,592.72/20,139.12 = 8,306.04/x
  3. Step 3: Cross multiply
    14,592.72x = 20,139.12 × 8,306.04
  4. Step 4: Simplify right side
    14,592.72x = 167,276,336.28
  5. Step 5: Solve for x
    x = 167,276,336.28/14,592.72
  6. Step 6: Final answer
    x = 11,463.00

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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.