Home / 22,010.28-33,012.18-7,220.76

Finding the Fourth Proportional to 22,010.28, 33,012.18 and 7,220.76

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Solution

The fourth proportional to 22,010.28, 33,012.18 and 7,220.76 is: 10,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.28 : 33,012.18 = 7,220.76 : x
  2. Step 2: Convert to fraction form
    22,010.28/33,012.18 = 7,220.76/x
  3. Step 3: Cross multiply
    22,010.28x = 33,012.18 × 7,220.76
  4. Step 4: Simplify right side
    22,010.28x = 238,373,028.86
  5. Step 5: Solve for x
    x = 238,373,028.86/22,010.28
  6. Step 6: Final answer
    x = 10,830.08

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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.