Home / 35,505.28-53,257.92-12,131.92

Finding the Fourth Proportional to 35,505.28, 53,257.92 and 12,131.92

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Solution

The fourth proportional to 35,505.28, 53,257.92 and 12,131.92 is: 18,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.28 : 53,257.92 = 12,131.92 : x
  2. Step 2: Convert to fraction form
    35,505.28/53,257.92 = 12,131.92/x
  3. Step 3: Cross multiply
    35,505.28x = 53,257.92 × 12,131.92
  4. Step 4: Simplify right side
    35,505.28x = 646,120,824.81
  5. Step 5: Solve for x
    x = 646,120,824.81/35,505.28
  6. Step 6: Final answer
    x = 18,197.88

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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.