Home / 22,261.91-33,339.85-12,882.15

Finding the Fourth Proportional to 22,261.91, 33,339.85 and 12,882.15

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Solution

The fourth proportional to 22,261.91, 33,339.85 and 12,882.15 is: 19,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.91 : 33,339.85 = 12,882.15 : x
  2. Step 2: Convert to fraction form
    22,261.91/33,339.85 = 12,882.15/x
  3. Step 3: Cross multiply
    22,261.91x = 33,339.85 × 12,882.15
  4. Step 4: Simplify right side
    22,261.91x = 429,488,916.47
  5. Step 5: Solve for x
    x = 429,488,916.47/22,261.91
  6. Step 6: Final answer
    x = 19,292.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.