Home / 22,508.26-31,061.28-12,437.40

Finding the Fourth Proportional to 22,508.26, 31,061.28 and 12,437.40

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Solution

The fourth proportional to 22,508.26, 31,061.28 and 12,437.40 is: 17,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.26 : 31,061.28 = 12,437.40 : x
  2. Step 2: Convert to fraction form
    22,508.26/31,061.28 = 12,437.40/x
  3. Step 3: Cross multiply
    22,508.26x = 31,061.28 × 12,437.40
  4. Step 4: Simplify right side
    22,508.26x = 386,321,408.57
  5. Step 5: Solve for x
    x = 386,321,408.57/22,508.26
  6. Step 6: Final answer
    x = 17,163.54

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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.