Home / 25,251.34-34,847.10-13,921.29

Finding the Fourth Proportional to 25,251.34, 34,847.10 and 13,921.29

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Solution

The fourth proportional to 25,251.34, 34,847.10 and 13,921.29 is: 19,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.34 : 34,847.10 = 13,921.29 : x
  2. Step 2: Convert to fraction form
    25,251.34/34,847.10 = 13,921.29/x
  3. Step 3: Cross multiply
    25,251.34x = 34,847.10 × 13,921.29
  4. Step 4: Simplify right side
    25,251.34x = 485,116,340.92
  5. Step 5: Solve for x
    x = 485,116,340.92/25,251.34
  6. Step 6: Final answer
    x = 19,211.51

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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.