Home / 18,793.08-28,182.60-7,693.92

Finding the Fourth Proportional to 18,793.08, 28,182.60 and 7,693.92

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Solution

The fourth proportional to 18,793.08, 28,182.60 and 7,693.92 is: 11,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.08 : 28,182.60 = 7,693.92 : x
  2. Step 2: Convert to fraction form
    18,793.08/28,182.60 = 7,693.92/x
  3. Step 3: Cross multiply
    18,793.08x = 28,182.60 × 7,693.92
  4. Step 4: Simplify right side
    18,793.08x = 216,834,669.79
  5. Step 5: Solve for x
    x = 216,834,669.79/18,793.08
  6. Step 6: Final answer
    x = 11,538.01

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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.