Home / 18,724.40-25,844.76-10,767.44

Finding the Fourth Proportional to 18,724.40, 25,844.76 and 10,767.44

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Solution

The fourth proportional to 18,724.40, 25,844.76 and 10,767.44 is: 14,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.40 : 25,844.76 = 10,767.44 : x
  2. Step 2: Convert to fraction form
    18,724.40/25,844.76 = 10,767.44/x
  3. Step 3: Cross multiply
    18,724.40x = 25,844.76 × 10,767.44
  4. Step 4: Simplify right side
    18,724.40x = 278,281,902.61
  5. Step 5: Solve for x
    x = 278,281,902.61/18,724.40
  6. Step 6: Final answer
    x = 14,861.99

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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.