Home / 23,331.91-32,197.45-12,721.75

Finding the Fourth Proportional to 23,331.91, 32,197.45 and 12,721.75

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Solution

The fourth proportional to 23,331.91, 32,197.45 and 12,721.75 is: 17,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.91 : 32,197.45 = 12,721.75 : x
  2. Step 2: Convert to fraction form
    23,331.91/32,197.45 = 12,721.75/x
  3. Step 3: Cross multiply
    23,331.91x = 32,197.45 × 12,721.75
  4. Step 4: Simplify right side
    23,331.91x = 409,607,909.54
  5. Step 5: Solve for x
    x = 409,607,909.54/23,331.91
  6. Step 6: Final answer
    x = 17,555.70

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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.