Home / 15,943.76-23,919.28-7,625.87

Finding the Fourth Proportional to 15,943.76, 23,919.28 and 7,625.87

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Solution

The fourth proportional to 15,943.76, 23,919.28 and 7,625.87 is: 11,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.76 : 23,919.28 = 7,625.87 : x
  2. Step 2: Convert to fraction form
    15,943.76/23,919.28 = 7,625.87/x
  3. Step 3: Cross multiply
    15,943.76x = 23,919.28 × 7,625.87
  4. Step 4: Simplify right side
    15,943.76x = 182,405,319.77
  5. Step 5: Solve for x
    x = 182,405,319.77/15,943.76
  6. Step 6: Final answer
    x = 11,440.55

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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.