Home / 22,409.20-33,686.70-15,880.60

Finding the Fourth Proportional to 22,409.20, 33,686.70 and 15,880.60

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Solution

The fourth proportional to 22,409.20, 33,686.70 and 15,880.60 is: 23,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.20 : 33,686.70 = 15,880.60 : x
  2. Step 2: Convert to fraction form
    22,409.20/33,686.70 = 15,880.60/x
  3. Step 3: Cross multiply
    22,409.20x = 33,686.70 × 15,880.60
  4. Step 4: Simplify right side
    22,409.20x = 534,965,008.02
  5. Step 5: Solve for x
    x = 534,965,008.02/22,409.20
  6. Step 6: Final answer
    x = 23,872.56

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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.