Home / 15,865.38-23,793.78-4,769.58

Finding the Fourth Proportional to 15,865.38, 23,793.78 and 4,769.58

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Solution

The fourth proportional to 15,865.38, 23,793.78 and 4,769.58 is: 7,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.38 : 23,793.78 = 4,769.58 : x
  2. Step 2: Convert to fraction form
    15,865.38/23,793.78 = 4,769.58/x
  3. Step 3: Cross multiply
    15,865.38x = 23,793.78 × 4,769.58
  4. Step 4: Simplify right side
    15,865.38x = 113,486,337.21
  5. Step 5: Solve for x
    x = 113,486,337.21/15,865.38
  6. Step 6: Final answer
    x = 7,153.08

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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.