Home / 22,647.47-31,252.90-12,575.65

Finding the Fourth Proportional to 22,647.47, 31,252.90 and 12,575.65

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Solution

The fourth proportional to 22,647.47, 31,252.90 and 12,575.65 is: 17,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.47 : 31,252.90 = 12,575.65 : x
  2. Step 2: Convert to fraction form
    22,647.47/31,252.90 = 12,575.65/x
  3. Step 3: Cross multiply
    22,647.47x = 31,252.90 × 12,575.65
  4. Step 4: Simplify right side
    22,647.47x = 393,025,531.89
  5. Step 5: Solve for x
    x = 393,025,531.89/22,647.47
  6. Step 6: Final answer
    x = 17,354.06

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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.