Home / 22,744.53-31,387.03-12,672.75

Finding the Fourth Proportional to 22,744.53, 31,387.03 and 12,672.75

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Solution

The fourth proportional to 22,744.53, 31,387.03 and 12,672.75 is: 17,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.53 : 31,387.03 = 12,672.75 : x
  2. Step 2: Convert to fraction form
    22,744.53/31,387.03 = 12,672.75/x
  3. Step 3: Cross multiply
    22,744.53x = 31,387.03 × 12,672.75
  4. Step 4: Simplify right side
    22,744.53x = 397,760,083.82
  5. Step 5: Solve for x
    x = 397,760,083.82/22,744.53
  6. Step 6: Final answer
    x = 17,488.16

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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.