Home / 15,639.69-23,459.92-4,546.47

Finding the Fourth Proportional to 15,639.69, 23,459.92 and 4,546.47

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Solution

The fourth proportional to 15,639.69, 23,459.92 and 4,546.47 is: 6,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.69 : 23,459.92 = 4,546.47 : x
  2. Step 2: Convert to fraction form
    15,639.69/23,459.92 = 4,546.47/x
  3. Step 3: Cross multiply
    15,639.69x = 23,459.92 × 4,546.47
  4. Step 4: Simplify right side
    15,639.69x = 106,659,822.48
  5. Step 5: Solve for x
    x = 106,659,822.48/15,639.69
  6. Step 6: Final answer
    x = 6,819.82

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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.