Home / 15,881.32-23,828.48-5,500.36

Finding the Fourth Proportional to 15,881.32, 23,828.48 and 5,500.36

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Solution

The fourth proportional to 15,881.32, 23,828.48 and 5,500.36 is: 8,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.32 : 23,828.48 = 5,500.36 : x
  2. Step 2: Convert to fraction form
    15,881.32/23,828.48 = 5,500.36/x
  3. Step 3: Cross multiply
    15,881.32x = 23,828.48 × 5,500.36
  4. Step 4: Simplify right side
    15,881.32x = 131,065,218.25
  5. Step 5: Solve for x
    x = 131,065,218.25/15,881.32
  6. Step 6: Final answer
    x = 8,252.79

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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.