Home / 18,753.80-28,116.66-6,266.58

Finding the Fourth Proportional to 18,753.80, 28,116.66 and 6,266.58

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Solution

The fourth proportional to 18,753.80, 28,116.66 and 6,266.58 is: 9,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.80 : 28,116.66 = 6,266.58 : x
  2. Step 2: Convert to fraction form
    18,753.80/28,116.66 = 6,266.58/x
  3. Step 3: Cross multiply
    18,753.80x = 28,116.66 × 6,266.58
  4. Step 4: Simplify right side
    18,753.80x = 176,195,299.22
  5. Step 5: Solve for x
    x = 176,195,299.22/18,753.80
  6. Step 6: Final answer
    x = 9,395.18

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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.