Home / 22,114.12-33,146.85-9,619.60

Finding the Fourth Proportional to 22,114.12, 33,146.85 and 9,619.60

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Solution

The fourth proportional to 22,114.12, 33,146.85 and 9,619.60 is: 14,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.12 : 33,146.85 = 9,619.60 : x
  2. Step 2: Convert to fraction form
    22,114.12/33,146.85 = 9,619.60/x
  3. Step 3: Cross multiply
    22,114.12x = 33,146.85 × 9,619.60
  4. Step 4: Simplify right side
    22,114.12x = 318,859,438.26
  5. Step 5: Solve for x
    x = 318,859,438.26/22,114.12
  6. Step 6: Final answer
    x = 14,418.82

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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.