Home / 15,105.86-22,658.82-5,743.68

Finding the Fourth Proportional to 15,105.86, 22,658.82 and 5,743.68

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Solution

The fourth proportional to 15,105.86, 22,658.82 and 5,743.68 is: 8,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.86 : 22,658.82 = 5,743.68 : x
  2. Step 2: Convert to fraction form
    15,105.86/22,658.82 = 5,743.68/x
  3. Step 3: Cross multiply
    15,105.86x = 22,658.82 × 5,743.68
  4. Step 4: Simplify right side
    15,105.86x = 130,145,011.26
  5. Step 5: Solve for x
    x = 130,145,011.26/15,105.86
  6. Step 6: Final answer
    x = 8,615.53

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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.