Home / 22,624.13-31,220.24-12,552.47

Finding the Fourth Proportional to 22,624.13, 31,220.24 and 12,552.47

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Solution

The fourth proportional to 22,624.13, 31,220.24 and 12,552.47 is: 17,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.13 : 31,220.24 = 12,552.47 : x
  2. Step 2: Convert to fraction form
    22,624.13/31,220.24 = 12,552.47/x
  3. Step 3: Cross multiply
    22,624.13x = 31,220.24 × 12,552.47
  4. Step 4: Simplify right side
    22,624.13x = 391,890,969.89
  5. Step 5: Solve for x
    x = 391,890,969.89/22,624.13
  6. Step 6: Final answer
    x = 17,321.81

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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.