Home / 22,126.76-30,520.98-13,167.57

Finding the Fourth Proportional to 22,126.76, 30,520.98 and 13,167.57

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Solution

The fourth proportional to 22,126.76, 30,520.98 and 13,167.57 is: 18,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.76 : 30,520.98 = 13,167.57 : x
  2. Step 2: Convert to fraction form
    22,126.76/30,520.98 = 13,167.57/x
  3. Step 3: Cross multiply
    22,126.76x = 30,520.98 × 13,167.57
  4. Step 4: Simplify right side
    22,126.76x = 401,887,140.62
  5. Step 5: Solve for x
    x = 401,887,140.62/22,126.76
  6. Step 6: Final answer
    x = 18,162.95

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Half scale
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Double scale
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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.