Home / 23,310.91-32,169.10-12,700.55

Finding the Fourth Proportional to 23,310.91, 32,169.10 and 12,700.55

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Solution

The fourth proportional to 23,310.91, 32,169.10 and 12,700.55 is: 17,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,310.91 : 32,169.10 = 12,700.55 : x
  2. Step 2: Convert to fraction form
    23,310.91/32,169.10 = 12,700.55/x
  3. Step 3: Cross multiply
    23,310.91x = 32,169.10 × 12,700.55
  4. Step 4: Simplify right side
    23,310.91x = 408,565,154.54
  5. Step 5: Solve for x
    x = 408,565,154.54/23,310.91
  6. Step 6: Final answer
    x = 17,526.78

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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.