Home / 25,134.15-34,701.39-15,584.21

Finding the Fourth Proportional to 25,134.15, 34,701.39 and 15,584.21

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Solution

The fourth proportional to 25,134.15, 34,701.39 and 15,584.21 is: 21,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.15 : 34,701.39 = 15,584.21 : x
  2. Step 2: Convert to fraction form
    25,134.15/34,701.39 = 15,584.21/x
  3. Step 3: Cross multiply
    25,134.15x = 34,701.39 × 15,584.21
  4. Step 4: Simplify right side
    25,134.15x = 540,793,575.54
  5. Step 5: Solve for x
    x = 540,793,575.54/25,134.15
  6. Step 6: Final answer
    x = 21,516.29

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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.