Home / 25,121.79-34,671.68-15,050.66

Finding the Fourth Proportional to 25,121.79, 34,671.68 and 15,050.66

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Solution

The fourth proportional to 25,121.79, 34,671.68 and 15,050.66 is: 20,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.79 : 34,671.68 = 15,050.66 : x
  2. Step 2: Convert to fraction form
    25,121.79/34,671.68 = 15,050.66/x
  3. Step 3: Cross multiply
    25,121.79x = 34,671.68 × 15,050.66
  4. Step 4: Simplify right side
    25,121.79x = 521,831,418.70
  5. Step 5: Solve for x
    x = 521,831,418.70/25,121.79
  6. Step 6: Final answer
    x = 20,772.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.