Home / 15,448.46-23,179.58-7,124.00

Finding the Fourth Proportional to 15,448.46, 23,179.58 and 7,124.00

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Solution

The fourth proportional to 15,448.46, 23,179.58 and 7,124.00 is: 10,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.46 : 23,179.58 = 7,124.00 : x
  2. Step 2: Convert to fraction form
    15,448.46/23,179.58 = 7,124.00/x
  3. Step 3: Cross multiply
    15,448.46x = 23,179.58 × 7,124.00
  4. Step 4: Simplify right side
    15,448.46x = 165,131,350.25
  5. Step 5: Solve for x
    x = 165,131,350.25/15,448.46
  6. Step 6: Final answer
    x = 10,689.18

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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.