Home / 25,438.74-38,159.82-8,800.38

Finding the Fourth Proportional to 25,438.74, 38,159.82 and 8,800.38

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Solution

The fourth proportional to 25,438.74, 38,159.82 and 8,800.38 is: 13,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.74 : 38,159.82 = 8,800.38 : x
  2. Step 2: Convert to fraction form
    25,438.74/38,159.82 = 8,800.38/x
  3. Step 3: Cross multiply
    25,438.74x = 38,159.82 × 8,800.38
  4. Step 4: Simplify right side
    25,438.74x = 335,820,916.73
  5. Step 5: Solve for x
    x = 335,820,916.73/25,438.74
  6. Step 6: Final answer
    x = 13,201.16

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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.