Home / 22,337.20-33,531.40-13,108.40

Finding the Fourth Proportional to 22,337.20, 33,531.40 and 13,108.40

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Solution

The fourth proportional to 22,337.20, 33,531.40 and 13,108.40 is: 19,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,337.20 : 33,531.40 = 13,108.40 : x
  2. Step 2: Convert to fraction form
    22,337.20/33,531.40 = 13,108.40/x
  3. Step 3: Cross multiply
    22,337.20x = 33,531.40 × 13,108.40
  4. Step 4: Simplify right side
    22,337.20x = 439,543,003.76
  5. Step 5: Solve for x
    x = 439,543,003.76/22,337.20
  6. Step 6: Final answer
    x = 19,677.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.