Home / 18,174.08-27,219.20-15,772.02

Finding the Fourth Proportional to 18,174.08, 27,219.20 and 15,772.02

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Solution

The fourth proportional to 18,174.08, 27,219.20 and 15,772.02 is: 23,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.08 : 27,219.20 = 15,772.02 : x
  2. Step 2: Convert to fraction form
    18,174.08/27,219.20 = 15,772.02/x
  3. Step 3: Cross multiply
    18,174.08x = 27,219.20 × 15,772.02
  4. Step 4: Simplify right side
    18,174.08x = 429,301,687.92
  5. Step 5: Solve for x
    x = 429,301,687.92/18,174.08
  6. Step 6: Final answer
    x = 23,621.65

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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.