Home / 18,001.74-27,002.57-6,318.30

Finding the Fourth Proportional to 18,001.74, 27,002.57 and 6,318.30

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Solution

The fourth proportional to 18,001.74, 27,002.57 and 6,318.30 is: 9,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.74 : 27,002.57 = 6,318.30 : x
  2. Step 2: Convert to fraction form
    18,001.74/27,002.57 = 6,318.30/x
  3. Step 3: Cross multiply
    18,001.74x = 27,002.57 × 6,318.30
  4. Step 4: Simplify right side
    18,001.74x = 170,610,338.03
  5. Step 5: Solve for x
    x = 170,610,338.03/18,001.74
  6. Step 6: Final answer
    x = 9,477.44

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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.