Home / 18,715.38-28,067.01-6,232.06

Finding the Fourth Proportional to 18,715.38, 28,067.01 and 6,232.06

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Solution

The fourth proportional to 18,715.38, 28,067.01 and 6,232.06 is: 9,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.38 : 28,067.01 = 6,232.06 : x
  2. Step 2: Convert to fraction form
    18,715.38/28,067.01 = 6,232.06/x
  3. Step 3: Cross multiply
    18,715.38x = 28,067.01 × 6,232.06
  4. Step 4: Simplify right side
    18,715.38x = 174,915,290.34
  5. Step 5: Solve for x
    x = 174,915,290.34/18,715.38
  6. Step 6: Final answer
    x = 9,346.07

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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.