Home / 18,318.85-25,283.61-10,767.62

Finding the Fourth Proportional to 18,318.85, 25,283.61 and 10,767.62

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Solution

The fourth proportional to 18,318.85, 25,283.61 and 10,767.62 is: 14,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.85 : 25,283.61 = 10,767.62 : x
  2. Step 2: Convert to fraction form
    18,318.85/25,283.61 = 10,767.62/x
  3. Step 3: Cross multiply
    18,318.85x = 25,283.61 × 10,767.62
  4. Step 4: Simplify right side
    18,318.85x = 272,244,304.71
  5. Step 5: Solve for x
    x = 272,244,304.71/18,318.85
  6. Step 6: Final answer
    x = 14,861.43

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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.