Home / 18,387.44-25,376.54-10,836.12

Finding the Fourth Proportional to 18,387.44, 25,376.54 and 10,836.12

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Solution

The fourth proportional to 18,387.44, 25,376.54 and 10,836.12 is: 14,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.44 : 25,376.54 = 10,836.12 : x
  2. Step 2: Convert to fraction form
    18,387.44/25,376.54 = 10,836.12/x
  3. Step 3: Cross multiply
    18,387.44x = 25,376.54 × 10,836.12
  4. Step 4: Simplify right side
    18,387.44x = 274,983,232.62
  5. Step 5: Solve for x
    x = 274,983,232.62/18,387.44
  6. Step 6: Final answer
    x = 14,954.95

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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.