Home / 22,591.26-31,176.01-12,519.87

Finding the Fourth Proportional to 22,591.26, 31,176.01 and 12,519.87

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Solution

The fourth proportional to 22,591.26, 31,176.01 and 12,519.87 is: 17,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.26 : 31,176.01 = 12,519.87 : x
  2. Step 2: Convert to fraction form
    22,591.26/31,176.01 = 12,519.87/x
  3. Step 3: Cross multiply
    22,591.26x = 31,176.01 × 12,519.87
  4. Step 4: Simplify right side
    22,591.26x = 390,319,436.44
  5. Step 5: Solve for x
    x = 390,319,436.44/22,591.26
  6. Step 6: Final answer
    x = 17,277.45

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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.