Home / 18,318.98-27,480.63-5,834.66

Finding the Fourth Proportional to 18,318.98, 27,480.63 and 5,834.66

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Solution

The fourth proportional to 18,318.98, 27,480.63 and 5,834.66 is: 8,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.98 : 27,480.63 = 5,834.66 : x
  2. Step 2: Convert to fraction form
    18,318.98/27,480.63 = 5,834.66/x
  3. Step 3: Cross multiply
    18,318.98x = 27,480.63 × 5,834.66
  4. Step 4: Simplify right side
    18,318.98x = 160,340,132.64
  5. Step 5: Solve for x
    x = 160,340,132.64/18,318.98
  6. Step 6: Final answer
    x = 8,752.68

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1.5x scale

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.