Home / 18,250.74-27,427.40-10,856.52

Finding the Fourth Proportional to 18,250.74, 27,427.40 and 10,856.52

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Solution

The fourth proportional to 18,250.74, 27,427.40 and 10,856.52 is: 16,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.74 : 27,427.40 = 10,856.52 : x
  2. Step 2: Convert to fraction form
    18,250.74/27,427.40 = 10,856.52/x
  3. Step 3: Cross multiply
    18,250.74x = 27,427.40 × 10,856.52
  4. Step 4: Simplify right side
    18,250.74x = 297,766,116.65
  5. Step 5: Solve for x
    x = 297,766,116.65/18,250.74
  6. Step 6: Final answer
    x = 16,315.29

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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.