Home / 25,117.29-34,660.31-15,046.56

Finding the Fourth Proportional to 25,117.29, 34,660.31 and 15,046.56

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Solution

The fourth proportional to 25,117.29, 34,660.31 and 15,046.56 is: 20,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.29 : 34,660.31 = 15,046.56 : x
  2. Step 2: Convert to fraction form
    25,117.29/34,660.31 = 15,046.56/x
  3. Step 3: Cross multiply
    25,117.29x = 34,660.31 × 15,046.56
  4. Step 4: Simplify right side
    25,117.29x = 521,518,358.80
  5. Step 5: Solve for x
    x = 521,518,358.80/25,117.29
  6. Step 6: Final answer
    x = 20,763.32

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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.