Home / 12,583.22-18,866.56-7,037.14

Finding the Fourth Proportional to 12,583.22, 18,866.56 and 7,037.14

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Solution

The fourth proportional to 12,583.22, 18,866.56 and 7,037.14 is: 10,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.22 : 18,866.56 = 7,037.14 : x
  2. Step 2: Convert to fraction form
    12,583.22/18,866.56 = 7,037.14/x
  3. Step 3: Cross multiply
    12,583.22x = 18,866.56 × 7,037.14
  4. Step 4: Simplify right side
    12,583.22x = 132,766,624.04
  5. Step 5: Solve for x
    x = 132,766,624.04/12,583.22
  6. Step 6: Final answer
    x = 10,551.09

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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.