Home / 25,497.20-38,251.20-7,726.40

Finding the Fourth Proportional to 25,497.20, 38,251.20 and 7,726.40

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Solution

The fourth proportional to 25,497.20, 38,251.20 and 7,726.40 is: 11,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.20 : 38,251.20 = 7,726.40 : x
  2. Step 2: Convert to fraction form
    25,497.20/38,251.20 = 7,726.40/x
  3. Step 3: Cross multiply
    25,497.20x = 38,251.20 × 7,726.40
  4. Step 4: Simplify right side
    25,497.20x = 295,544,071.68
  5. Step 5: Solve for x
    x = 295,544,071.68/25,497.20
  6. Step 6: Final answer
    x = 11,591.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.