Home / 22,177.13-30,601.53-13,225.68

Finding the Fourth Proportional to 22,177.13, 30,601.53 and 13,225.68

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Solution

The fourth proportional to 22,177.13, 30,601.53 and 13,225.68 is: 18,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.13 : 30,601.53 = 13,225.68 : x
  2. Step 2: Convert to fraction form
    22,177.13/30,601.53 = 13,225.68/x
  3. Step 3: Cross multiply
    22,177.13x = 30,601.53 × 13,225.68
  4. Step 4: Simplify right side
    22,177.13x = 404,726,043.29
  5. Step 5: Solve for x
    x = 404,726,043.29/22,177.13
  6. Step 6: Final answer
    x = 18,249.71

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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.