Home / 18,117.83-27,177.35-5,468.15

Finding the Fourth Proportional to 18,117.83, 27,177.35 and 5,468.15

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Solution

The fourth proportional to 18,117.83, 27,177.35 and 5,468.15 is: 8,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.83 : 27,177.35 = 5,468.15 : x
  2. Step 2: Convert to fraction form
    18,117.83/27,177.35 = 5,468.15/x
  3. Step 3: Cross multiply
    18,117.83x = 27,177.35 × 5,468.15
  4. Step 4: Simplify right side
    18,117.83x = 148,609,867.01
  5. Step 5: Solve for x
    x = 148,609,867.01/18,117.83
  6. Step 6: Final answer
    x = 8,202.41

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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.