Home / 22,704.70-31,331.85-12,632.62

Finding the Fourth Proportional to 22,704.70, 31,331.85 and 12,632.62

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Solution

The fourth proportional to 22,704.70, 31,331.85 and 12,632.62 is: 17,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.70 : 31,331.85 = 12,632.62 : x
  2. Step 2: Convert to fraction form
    22,704.70/31,331.85 = 12,632.62/x
  3. Step 3: Cross multiply
    22,704.70x = 31,331.85 × 12,632.62
  4. Step 4: Simplify right side
    22,704.70x = 395,803,354.95
  5. Step 5: Solve for x
    x = 395,803,354.95/22,704.70
  6. Step 6: Final answer
    x = 17,432.66

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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.