Home / 18,751.05-28,117.17-6,266.70

Finding the Fourth Proportional to 18,751.05, 28,117.17 and 6,266.70

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Solution

The fourth proportional to 18,751.05, 28,117.17 and 6,266.70 is: 9,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.05 : 28,117.17 = 6,266.70 : x
  2. Step 2: Convert to fraction form
    18,751.05/28,117.17 = 6,266.70/x
  3. Step 3: Cross multiply
    18,751.05x = 28,117.17 × 6,266.70
  4. Step 4: Simplify right side
    18,751.05x = 176,201,869.24
  5. Step 5: Solve for x
    x = 176,201,869.24/18,751.05
  6. Step 6: Final answer
    x = 9,396.91

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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.