Home / 39,213.68-58,822.76-11,131.52

Finding the Fourth Proportional to 39,213.68, 58,822.76 and 11,131.52

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Solution

The fourth proportional to 39,213.68, 58,822.76 and 11,131.52 is: 16,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.68 : 58,822.76 = 11,131.52 : x
  2. Step 2: Convert to fraction form
    39,213.68/58,822.76 = 11,131.52/x
  3. Step 3: Cross multiply
    39,213.68x = 58,822.76 × 11,131.52
  4. Step 4: Simplify right side
    39,213.68x = 654,786,729.40
  5. Step 5: Solve for x
    x = 654,786,729.40/39,213.68
  6. Step 6: Final answer
    x = 16,697.92

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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.