Home / 22,182.10-33,279.82-13,307.20

Finding the Fourth Proportional to 22,182.10, 33,279.82 and 13,307.20

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Solution

The fourth proportional to 22,182.10, 33,279.82 and 13,307.20 is: 19,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.10 : 33,279.82 = 13,307.20 : x
  2. Step 2: Convert to fraction form
    22,182.10/33,279.82 = 13,307.20/x
  3. Step 3: Cross multiply
    22,182.10x = 33,279.82 × 13,307.20
  4. Step 4: Simplify right side
    22,182.10x = 442,861,220.70
  5. Step 5: Solve for x
    x = 442,861,220.70/22,182.10
  6. Step 6: Final answer
    x = 19,964.80

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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.