Home / 26,231.60-39,359.02-13,748.64

Finding the Fourth Proportional to 26,231.60, 39,359.02 and 13,748.64

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Solution

The fourth proportional to 26,231.60, 39,359.02 and 13,748.64 is: 20,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.60 : 39,359.02 = 13,748.64 : x
  2. Step 2: Convert to fraction form
    26,231.60/39,359.02 = 13,748.64/x
  3. Step 3: Cross multiply
    26,231.60x = 39,359.02 × 13,748.64
  4. Step 4: Simplify right side
    26,231.60x = 541,132,996.73
  5. Step 5: Solve for x
    x = 541,132,996.73/26,231.60
  6. Step 6: Final answer
    x = 20,629.05

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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.