Home / 22,373.19-30,862.85-13,872.44

Finding the Fourth Proportional to 22,373.19, 30,862.85 and 13,872.44

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Solution

The fourth proportional to 22,373.19, 30,862.85 and 13,872.44 is: 19,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.19 : 30,862.85 = 13,872.44 : x
  2. Step 2: Convert to fraction form
    22,373.19/30,862.85 = 13,872.44/x
  3. Step 3: Cross multiply
    22,373.19x = 30,862.85 × 13,872.44
  4. Step 4: Simplify right side
    22,373.19x = 428,143,034.85
  5. Step 5: Solve for x
    x = 428,143,034.85/22,373.19
  6. Step 6: Final answer
    x = 19,136.43

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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.