Home / 22,031.19-30,404.87-12,601.57

Finding the Fourth Proportional to 22,031.19, 30,404.87 and 12,601.57

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Solution

The fourth proportional to 22,031.19, 30,404.87 and 12,601.57 is: 17,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.19 : 30,404.87 = 12,601.57 : x
  2. Step 2: Convert to fraction form
    22,031.19/30,404.87 = 12,601.57/x
  3. Step 3: Cross multiply
    22,031.19x = 30,404.87 × 12,601.57
  4. Step 4: Simplify right side
    22,031.19x = 383,149,097.65
  5. Step 5: Solve for x
    x = 383,149,097.65/22,031.19
  6. Step 6: Final answer
    x = 17,391.21

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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.