Home / 15,769.68-23,649.66-5,379

Finding the Fourth Proportional to 15,769.68, 23,649.66 and 5,379

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Solution

The fourth proportional to 15,769.68, 23,649.66 and 5,379 is: 8,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.68 : 23,649.66 = 5,379 : x
  2. Step 2: Convert to fraction form
    15,769.68/23,649.66 = 5,379/x
  3. Step 3: Cross multiply
    15,769.68x = 23,649.66 × 5,379
  4. Step 4: Simplify right side
    15,769.68x = 127,211,521.14
  5. Step 5: Solve for x
    x = 127,211,521.14/15,769.68
  6. Step 6: Final answer
    x = 8,066.84

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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.