Home / 26,147.91-39,217.33-7,423.57

Finding the Fourth Proportional to 26,147.91, 39,217.33 and 7,423.57

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Solution

The fourth proportional to 26,147.91, 39,217.33 and 7,423.57 is: 11,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.91 : 39,217.33 = 7,423.57 : x
  2. Step 2: Convert to fraction form
    26,147.91/39,217.33 = 7,423.57/x
  3. Step 3: Cross multiply
    26,147.91x = 39,217.33 × 7,423.57
  4. Step 4: Simplify right side
    26,147.91x = 291,132,594.47
  5. Step 5: Solve for x
    x = 291,132,594.47/26,147.91
  6. Step 6: Final answer
    x = 11,134.07

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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.