Home / 22,380.64-33,570.42-9,223.90

Finding the Fourth Proportional to 22,380.64, 33,570.42 and 9,223.90

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Solution

The fourth proportional to 22,380.64, 33,570.42 and 9,223.90 is: 13,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.64 : 33,570.42 = 9,223.90 : x
  2. Step 2: Convert to fraction form
    22,380.64/33,570.42 = 9,223.90/x
  3. Step 3: Cross multiply
    22,380.64x = 33,570.42 × 9,223.90
  4. Step 4: Simplify right side
    22,380.64x = 309,650,197.04
  5. Step 5: Solve for x
    x = 309,650,197.04/22,380.64
  6. Step 6: Final answer
    x = 13,835.63

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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.