Home / 25,134.12-34,701.32-15,584.15

Finding the Fourth Proportional to 25,134.12, 34,701.32 and 15,584.15

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Solution

The fourth proportional to 25,134.12, 34,701.32 and 15,584.15 is: 21,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.12 : 34,701.32 = 15,584.15 : x
  2. Step 2: Convert to fraction form
    25,134.12/34,701.32 = 15,584.15/x
  3. Step 3: Cross multiply
    25,134.12x = 34,701.32 × 15,584.15
  4. Step 4: Simplify right side
    25,134.12x = 540,790,324.65
  5. Step 5: Solve for x
    x = 540,790,324.65/25,134.12
  6. Step 6: Final answer
    x = 21,516.18

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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.