Home / 15,924.90-23,889.40-5,247.69

Finding the Fourth Proportional to 15,924.90, 23,889.40 and 5,247.69

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Solution

The fourth proportional to 15,924.90, 23,889.40 and 5,247.69 is: 7,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.90 : 23,889.40 = 5,247.69 : x
  2. Step 2: Convert to fraction form
    15,924.90/23,889.40 = 5,247.69/x
  3. Step 3: Cross multiply
    15,924.90x = 23,889.40 × 5,247.69
  4. Step 4: Simplify right side
    15,924.90x = 125,364,062.78
  5. Step 5: Solve for x
    x = 125,364,062.78/15,924.90
  6. Step 6: Final answer
    x = 7,872.20

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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.