Home / 15,582.27-23,372.61-5,720.79

Finding the Fourth Proportional to 15,582.27, 23,372.61 and 5,720.79

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Solution

The fourth proportional to 15,582.27, 23,372.61 and 5,720.79 is: 8,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.27 : 23,372.61 = 5,720.79 : x
  2. Step 2: Convert to fraction form
    15,582.27/23,372.61 = 5,720.79/x
  3. Step 3: Cross multiply
    15,582.27x = 23,372.61 × 5,720.79
  4. Step 4: Simplify right side
    15,582.27x = 133,709,793.56
  5. Step 5: Solve for x
    x = 133,709,793.56/15,582.27
  6. Step 6: Final answer
    x = 8,580.89

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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.