Home / 18,454.36-27,685.92-5,974.38

Finding the Fourth Proportional to 18,454.36, 27,685.92 and 5,974.38

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Solution

The fourth proportional to 18,454.36, 27,685.92 and 5,974.38 is: 8,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.36 : 27,685.92 = 5,974.38 : x
  2. Step 2: Convert to fraction form
    18,454.36/27,685.92 = 5,974.38/x
  3. Step 3: Cross multiply
    18,454.36x = 27,685.92 × 5,974.38
  4. Step 4: Simplify right side
    18,454.36x = 165,406,068.30
  5. Step 5: Solve for x
    x = 165,406,068.30/18,454.36
  6. Step 6: Final answer
    x = 8,962.98

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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.