Home / 18,396.11-25,387.46-10,842.76

Finding the Fourth Proportional to 18,396.11, 25,387.46 and 10,842.76

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Solution

The fourth proportional to 18,396.11, 25,387.46 and 10,842.76 is: 14,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.11 : 25,387.46 = 10,842.76 : x
  2. Step 2: Convert to fraction form
    18,396.11/25,387.46 = 10,842.76/x
  3. Step 3: Cross multiply
    18,396.11x = 25,387.46 × 10,842.76
  4. Step 4: Simplify right side
    18,396.11x = 275,270,135.79
  5. Step 5: Solve for x
    x = 275,270,135.79/18,396.11
  6. Step 6: Final answer
    x = 14,963.50

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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.