Home / 22,132.35-30,542.61-13,180.23

Finding the Fourth Proportional to 22,132.35, 30,542.61 and 13,180.23

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Solution

The fourth proportional to 22,132.35, 30,542.61 and 13,180.23 is: 18,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.35 : 30,542.61 = 13,180.23 : x
  2. Step 2: Convert to fraction form
    22,132.35/30,542.61 = 13,180.23/x
  3. Step 3: Cross multiply
    22,132.35x = 30,542.61 × 13,180.23
  4. Step 4: Simplify right side
    22,132.35x = 402,558,624.60
  5. Step 5: Solve for x
    x = 402,558,624.60/22,132.35
  6. Step 6: Final answer
    x = 18,188.70

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Double scale
Find fourth proportional to 22,133.35, 30,543.99 and 13,181.23
Similar ratio
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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.