Home / 18,151.38-27,232.53-15,017.22

Finding the Fourth Proportional to 18,151.38, 27,232.53 and 15,017.22

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Solution

The fourth proportional to 18,151.38, 27,232.53 and 15,017.22 is: 22,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.38 : 27,232.53 = 15,017.22 : x
  2. Step 2: Convert to fraction form
    18,151.38/27,232.53 = 15,017.22/x
  3. Step 3: Cross multiply
    18,151.38x = 27,232.53 × 15,017.22
  4. Step 4: Simplify right side
    18,151.38x = 408,956,894.17
  5. Step 5: Solve for x
    x = 408,956,894.17/18,151.38
  6. Step 6: Final answer
    x = 22,530.35

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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.