Home / 22,210.12-33,320.41-7,217.19

Finding the Fourth Proportional to 22,210.12, 33,320.41 and 7,217.19

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Solution

The fourth proportional to 22,210.12, 33,320.41 and 7,217.19 is: 10,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.12 : 33,320.41 = 7,217.19 : x
  2. Step 2: Convert to fraction form
    22,210.12/33,320.41 = 7,217.19/x
  3. Step 3: Cross multiply
    22,210.12x = 33,320.41 × 7,217.19
  4. Step 4: Simplify right side
    22,210.12x = 240,479,729.85
  5. Step 5: Solve for x
    x = 240,479,729.85/22,210.12
  6. Step 6: Final answer
    x = 10,827.48

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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.