Home / 22,168.92-33,279.30-13,868.04

Finding the Fourth Proportional to 22,168.92, 33,279.30 and 13,868.04

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Solution

The fourth proportional to 22,168.92, 33,279.30 and 13,868.04 is: 20,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.92 : 33,279.30 = 13,868.04 : x
  2. Step 2: Convert to fraction form
    22,168.92/33,279.30 = 13,868.04/x
  3. Step 3: Cross multiply
    22,168.92x = 33,279.30 × 13,868.04
  4. Step 4: Simplify right side
    22,168.92x = 461,518,663.57
  5. Step 5: Solve for x
    x = 461,518,663.57/22,168.92
  6. Step 6: Final answer
    x = 20,818.27

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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.