Home / 22,228.20-33,415.20-15,699.60

Finding the Fourth Proportional to 22,228.20, 33,415.20 and 15,699.60

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Solution

The fourth proportional to 22,228.20, 33,415.20 and 15,699.60 is: 23,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.20 : 33,415.20 = 15,699.60 : x
  2. Step 2: Convert to fraction form
    22,228.20/33,415.20 = 15,699.60/x
  3. Step 3: Cross multiply
    22,228.20x = 33,415.20 × 15,699.60
  4. Step 4: Simplify right side
    22,228.20x = 524,605,273.92
  5. Step 5: Solve for x
    x = 524,605,273.92/22,228.20
  6. Step 6: Final answer
    x = 23,600.89

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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.