Home / 17,380.74-23,985.40-9,422.90

Finding the Fourth Proportional to 17,380.74, 23,985.40 and 9,422.90

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Solution

The fourth proportional to 17,380.74, 23,985.40 and 9,422.90 is: 13,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.74 : 23,985.40 = 9,422.90 : x
  2. Step 2: Convert to fraction form
    17,380.74/23,985.40 = 9,422.90/x
  3. Step 3: Cross multiply
    17,380.74x = 23,985.40 × 9,422.90
  4. Step 4: Simplify right side
    17,380.74x = 226,012,025.66
  5. Step 5: Solve for x
    x = 226,012,025.66/17,380.74
  6. Step 6: Final answer
    x = 13,003.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.