Home / 25,049.80-34,569.14-13,719.12

Finding the Fourth Proportional to 25,049.80, 34,569.14 and 13,719.12

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Solution

The fourth proportional to 25,049.80, 34,569.14 and 13,719.12 is: 18,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.80 : 34,569.14 = 13,719.12 : x
  2. Step 2: Convert to fraction form
    25,049.80/34,569.14 = 13,719.12/x
  3. Step 3: Cross multiply
    25,049.80x = 34,569.14 × 13,719.12
  4. Step 4: Simplify right side
    25,049.80x = 474,258,179.96
  5. Step 5: Solve for x
    x = 474,258,179.96/25,049.80
  6. Step 6: Final answer
    x = 18,932.61

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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.