Home / 25,305.44-37,971.12-13,629.92

Finding the Fourth Proportional to 25,305.44, 37,971.12 and 13,629.92

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Solution

The fourth proportional to 25,305.44, 37,971.12 and 13,629.92 is: 20,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.44 : 37,971.12 = 13,629.92 : x
  2. Step 2: Convert to fraction form
    25,305.44/37,971.12 = 13,629.92/x
  3. Step 3: Cross multiply
    25,305.44x = 37,971.12 × 13,629.92
  4. Step 4: Simplify right side
    25,305.44x = 517,543,327.91
  5. Step 5: Solve for x
    x = 517,543,327.91/25,305.44
  6. Step 6: Final answer
    x = 20,451.86

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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.