Home / 15,699.39-23,546.49-5,169.56

Finding the Fourth Proportional to 15,699.39, 23,546.49 and 5,169.56

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Solution

The fourth proportional to 15,699.39, 23,546.49 and 5,169.56 is: 7,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.39 : 23,546.49 = 5,169.56 : x
  2. Step 2: Convert to fraction form
    15,699.39/23,546.49 = 5,169.56/x
  3. Step 3: Cross multiply
    15,699.39x = 23,546.49 × 5,169.56
  4. Step 4: Simplify right side
    15,699.39x = 121,724,875.11
  5. Step 5: Solve for x
    x = 121,724,875.11/15,699.39
  6. Step 6: Final answer
    x = 7,753.48

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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.