Home / 18,066.72-27,077.52-8,705.01

Finding the Fourth Proportional to 18,066.72, 27,077.52 and 8,705.01

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Solution

The fourth proportional to 18,066.72, 27,077.52 and 8,705.01 is: 13,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.72 : 27,077.52 = 8,705.01 : x
  2. Step 2: Convert to fraction form
    18,066.72/27,077.52 = 8,705.01/x
  3. Step 3: Cross multiply
    18,066.72x = 27,077.52 × 8,705.01
  4. Step 4: Simplify right side
    18,066.72x = 235,710,082.38
  5. Step 5: Solve for x
    x = 235,710,082.38/18,066.72
  6. Step 6: Final answer
    x = 13,046.65

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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.