Home / 15,967.97-23,955.67-5,438.08

Finding the Fourth Proportional to 15,967.97, 23,955.67 and 5,438.08

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Solution

The fourth proportional to 15,967.97, 23,955.67 and 5,438.08 is: 8,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.97 : 23,955.67 = 5,438.08 : x
  2. Step 2: Convert to fraction form
    15,967.97/23,955.67 = 5,438.08/x
  3. Step 3: Cross multiply
    15,967.97x = 23,955.67 × 5,438.08
  4. Step 4: Simplify right side
    15,967.97x = 130,272,874.44
  5. Step 5: Solve for x
    x = 130,272,874.44/15,967.97
  6. Step 6: Final answer
    x = 8,158.39

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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.