Home / 22,380.80-33,558.40-9,217.52

Finding the Fourth Proportional to 22,380.80, 33,558.40 and 9,217.52

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Solution

The fourth proportional to 22,380.80, 33,558.40 and 9,217.52 is: 13,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.80 : 33,558.40 = 9,217.52 : x
  2. Step 2: Convert to fraction form
    22,380.80/33,558.40 = 9,217.52/x
  3. Step 3: Cross multiply
    22,380.80x = 33,558.40 × 9,217.52
  4. Step 4: Simplify right side
    22,380.80x = 309,325,223.17
  5. Step 5: Solve for x
    x = 309,325,223.17/22,380.80
  6. Step 6: Final answer
    x = 13,821.01

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1.5x scale

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.