Home / 22,272.17-33,420.80-9,133.76

Finding the Fourth Proportional to 22,272.17, 33,420.80 and 9,133.76

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Solution

The fourth proportional to 22,272.17, 33,420.80 and 9,133.76 is: 13,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.17 : 33,420.80 = 9,133.76 : x
  2. Step 2: Convert to fraction form
    22,272.17/33,420.80 = 9,133.76/x
  3. Step 3: Cross multiply
    22,272.17x = 33,420.80 × 9,133.76
  4. Step 4: Simplify right side
    22,272.17x = 305,257,672.59
  5. Step 5: Solve for x
    x = 305,257,672.59/22,272.17
  6. Step 6: Final answer
    x = 13,705.79

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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.