Home / 22,591.17-31,174.95-12,519.35

Finding the Fourth Proportional to 22,591.17, 31,174.95 and 12,519.35

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Solution

The fourth proportional to 22,591.17, 31,174.95 and 12,519.35 is: 17,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.17 : 31,174.95 = 12,519.35 : x
  2. Step 2: Convert to fraction form
    22,591.17/31,174.95 = 12,519.35/x
  3. Step 3: Cross multiply
    22,591.17x = 31,174.95 × 12,519.35
  4. Step 4: Simplify right side
    22,591.17x = 390,290,118.26
  5. Step 5: Solve for x
    x = 390,290,118.26/22,591.17
  6. Step 6: Final answer
    x = 17,276.22

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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.