Home / 25,207.46-34,785.09-13,876.72

Finding the Fourth Proportional to 25,207.46, 34,785.09 and 13,876.72

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Solution

The fourth proportional to 25,207.46, 34,785.09 and 13,876.72 is: 19,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.46 : 34,785.09 = 13,876.72 : x
  2. Step 2: Convert to fraction form
    25,207.46/34,785.09 = 13,876.72/x
  3. Step 3: Cross multiply
    25,207.46x = 34,785.09 × 13,876.72
  4. Step 4: Simplify right side
    25,207.46x = 482,702,954.10
  5. Step 5: Solve for x
    x = 482,702,954.10/25,207.46
  6. Step 6: Final answer
    x = 19,149.21

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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.