Home / 22,643.76-31,248.75-12,572.85

Finding the Fourth Proportional to 22,643.76, 31,248.75 and 12,572.85

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Solution

The fourth proportional to 22,643.76, 31,248.75 and 12,572.85 is: 17,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.76 : 31,248.75 = 12,572.85 : x
  2. Step 2: Convert to fraction form
    22,643.76/31,248.75 = 12,572.85/x
  3. Step 3: Cross multiply
    22,643.76x = 31,248.75 × 12,572.85
  4. Step 4: Simplify right side
    22,643.76x = 392,885,846.44
  5. Step 5: Solve for x
    x = 392,885,846.44/22,643.76
  6. Step 6: Final answer
    x = 17,350.73

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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.