Home / 18,174.40-27,229.20-14,869.60

Finding the Fourth Proportional to 18,174.40, 27,229.20 and 14,869.60

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Solution

The fourth proportional to 18,174.40, 27,229.20 and 14,869.60 is: 22,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.40 : 27,229.20 = 14,869.60 : x
  2. Step 2: Convert to fraction form
    18,174.40/27,229.20 = 14,869.60/x
  3. Step 3: Cross multiply
    18,174.40x = 27,229.20 × 14,869.60
  4. Step 4: Simplify right side
    18,174.40x = 404,887,312.32
  5. Step 5: Solve for x
    x = 404,887,312.32/18,174.40
  6. Step 6: Final answer
    x = 22,277.89

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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.