Home / 22,170.10-33,228.15-9,663.70

Finding the Fourth Proportional to 22,170.10, 33,228.15 and 9,663.70

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Solution

The fourth proportional to 22,170.10, 33,228.15 and 9,663.70 is: 14,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.10 : 33,228.15 = 9,663.70 : x
  2. Step 2: Convert to fraction form
    22,170.10/33,228.15 = 9,663.70/x
  3. Step 3: Cross multiply
    22,170.10x = 33,228.15 × 9,663.70
  4. Step 4: Simplify right side
    22,170.10x = 321,106,873.16
  5. Step 5: Solve for x
    x = 321,106,873.16/22,170.10
  6. Step 6: Final answer
    x = 14,483.78

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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.