Home / 15,765.18-23,649.60-5,236.14

Finding the Fourth Proportional to 15,765.18, 23,649.60 and 5,236.14

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Solution

The fourth proportional to 15,765.18, 23,649.60 and 5,236.14 is: 7,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.18 : 23,649.60 = 5,236.14 : x
  2. Step 2: Convert to fraction form
    15,765.18/23,649.60 = 5,236.14/x
  3. Step 3: Cross multiply
    15,765.18x = 23,649.60 × 5,236.14
  4. Step 4: Simplify right side
    15,765.18x = 123,832,616.54
  5. Step 5: Solve for x
    x = 123,832,616.54/15,765.18
  6. Step 6: Final answer
    x = 7,854.82

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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.