Home / 26,131.61-39,197.42-8,606.45

Finding the Fourth Proportional to 26,131.61, 39,197.42 and 8,606.45

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Solution

The fourth proportional to 26,131.61, 39,197.42 and 8,606.45 is: 12,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.61 : 39,197.42 = 8,606.45 : x
  2. Step 2: Convert to fraction form
    26,131.61/39,197.42 = 8,606.45/x
  3. Step 3: Cross multiply
    26,131.61x = 39,197.42 × 8,606.45
  4. Step 4: Simplify right side
    26,131.61x = 337,350,635.36
  5. Step 5: Solve for x
    x = 337,350,635.36/26,131.61
  6. Step 6: Final answer
    x = 12,909.68

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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.