Home / 15,979.48-23,969.21-4,292.69

Finding the Fourth Proportional to 15,979.48, 23,969.21 and 4,292.69

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Solution

The fourth proportional to 15,979.48, 23,969.21 and 4,292.69 is: 6,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.48 : 23,969.21 = 4,292.69 : x
  2. Step 2: Convert to fraction form
    15,979.48/23,969.21 = 4,292.69/x
  3. Step 3: Cross multiply
    15,979.48x = 23,969.21 × 4,292.69
  4. Step 4: Simplify right side
    15,979.48x = 102,892,366.61
  5. Step 5: Solve for x
    x = 102,892,366.61/15,979.48
  6. Step 6: Final answer
    x = 6,439.03

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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.