Home / 22,269.20-33,365.40-10,557.20

Finding the Fourth Proportional to 22,269.20, 33,365.40 and 10,557.20

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Solution

The fourth proportional to 22,269.20, 33,365.40 and 10,557.20 is: 15,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.20 : 33,365.40 = 10,557.20 : x
  2. Step 2: Convert to fraction form
    22,269.20/33,365.40 = 10,557.20/x
  3. Step 3: Cross multiply
    22,269.20x = 33,365.40 × 10,557.20
  4. Step 4: Simplify right side
    22,269.20x = 352,245,200.88
  5. Step 5: Solve for x
    x = 352,245,200.88/22,269.20
  6. Step 6: Final answer
    x = 15,817.60

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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.