Home / 18,793.38-28,192.50-5,647.08

Finding the Fourth Proportional to 18,793.38, 28,192.50 and 5,647.08

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Solution

The fourth proportional to 18,793.38, 28,192.50 and 5,647.08 is: 8,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.38 : 28,192.50 = 5,647.08 : x
  2. Step 2: Convert to fraction form
    18,793.38/28,192.50 = 5,647.08/x
  3. Step 3: Cross multiply
    18,793.38x = 28,192.50 × 5,647.08
  4. Step 4: Simplify right side
    18,793.38x = 159,205,302.90
  5. Step 5: Solve for x
    x = 159,205,302.90/18,793.38
  6. Step 6: Final answer
    x = 8,471.35

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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.