Home / 25,101.62-37,578.46-21,987.71

Finding the Fourth Proportional to 25,101.62, 37,578.46 and 21,987.71

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Solution

The fourth proportional to 25,101.62, 37,578.46 and 21,987.71 is: 32,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.62 : 37,578.46 = 21,987.71 : x
  2. Step 2: Convert to fraction form
    25,101.62/37,578.46 = 21,987.71/x
  3. Step 3: Cross multiply
    25,101.62x = 37,578.46 × 21,987.71
  4. Step 4: Simplify right side
    25,101.62x = 826,264,280.73
  5. Step 5: Solve for x
    x = 826,264,280.73/25,101.62
  6. Step 6: Final answer
    x = 32,916.77

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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.