Home / 25,805.17-38,713.83-9,164.53

Finding the Fourth Proportional to 25,805.17, 38,713.83 and 9,164.53

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Solution

The fourth proportional to 25,805.17, 38,713.83 and 9,164.53 is: 13,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.17 : 38,713.83 = 9,164.53 : x
  2. Step 2: Convert to fraction form
    25,805.17/38,713.83 = 9,164.53/x
  3. Step 3: Cross multiply
    25,805.17x = 38,713.83 × 9,164.53
  4. Step 4: Simplify right side
    25,805.17x = 354,794,056.45
  5. Step 5: Solve for x
    x = 354,794,056.45/25,805.17
  6. Step 6: Final answer
    x = 13,748.95

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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.