Home / 22,182.13-30,608.04-12,748.87

Finding the Fourth Proportional to 22,182.13, 30,608.04 and 12,748.87

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Solution

The fourth proportional to 22,182.13, 30,608.04 and 12,748.87 is: 17,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.13 : 30,608.04 = 12,748.87 : x
  2. Step 2: Convert to fraction form
    22,182.13/30,608.04 = 12,748.87/x
  3. Step 3: Cross multiply
    22,182.13x = 30,608.04 × 12,748.87
  4. Step 4: Simplify right side
    22,182.13x = 390,217,922.91
  5. Step 5: Solve for x
    x = 390,217,922.91/22,182.13
  6. Step 6: Final answer
    x = 17,591.54

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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.