Home / 25,331.93-37,998.66-8,691.72

Finding the Fourth Proportional to 25,331.93, 37,998.66 and 8,691.72

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Solution

The fourth proportional to 25,331.93, 37,998.66 and 8,691.72 is: 13,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.93 : 37,998.66 = 8,691.72 : x
  2. Step 2: Convert to fraction form
    25,331.93/37,998.66 = 8,691.72/x
  3. Step 3: Cross multiply
    25,331.93x = 37,998.66 × 8,691.72
  4. Step 4: Simplify right side
    25,331.93x = 330,273,669.64
  5. Step 5: Solve for x
    x = 330,273,669.64/25,331.93
  6. Step 6: Final answer
    x = 13,037.84

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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.