Home / 22,625.10-31,224.54-12,555.65

Finding the Fourth Proportional to 22,625.10, 31,224.54 and 12,555.65

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Solution

The fourth proportional to 22,625.10, 31,224.54 and 12,555.65 is: 17,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.10 : 31,224.54 = 12,555.65 : x
  2. Step 2: Convert to fraction form
    22,625.10/31,224.54 = 12,555.65/x
  3. Step 3: Cross multiply
    22,625.10x = 31,224.54 × 12,555.65
  4. Step 4: Simplify right side
    22,625.10x = 392,044,239.53
  5. Step 5: Solve for x
    x = 392,044,239.53/22,625.10
  6. Step 6: Final answer
    x = 17,327.85

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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.