Home / 22,145.12-33,194.56-9,661.76

Finding the Fourth Proportional to 22,145.12, 33,194.56 and 9,661.76

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Solution

The fourth proportional to 22,145.12, 33,194.56 and 9,661.76 is: 14,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.12 : 33,194.56 = 9,661.76 : x
  2. Step 2: Convert to fraction form
    22,145.12/33,194.56 = 9,661.76/x
  3. Step 3: Cross multiply
    22,145.12x = 33,194.56 × 9,661.76
  4. Step 4: Simplify right side
    22,145.12x = 320,717,872.03
  5. Step 5: Solve for x
    x = 320,717,872.03/22,145.12
  6. Step 6: Final answer
    x = 14,482.55

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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.