Home / 17,420.28-24,052.14-13,380.36

Finding the Fourth Proportional to 17,420.28, 24,052.14 and 13,380.36

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Solution

The fourth proportional to 17,420.28, 24,052.14 and 13,380.36 is: 18,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.28 : 24,052.14 = 13,380.36 : x
  2. Step 2: Convert to fraction form
    17,420.28/24,052.14 = 13,380.36/x
  3. Step 3: Cross multiply
    17,420.28x = 24,052.14 × 13,380.36
  4. Step 4: Simplify right side
    17,420.28x = 321,826,291.97
  5. Step 5: Solve for x
    x = 321,826,291.97/17,420.28
  6. Step 6: Final answer
    x = 18,474.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.