Home / 16,297.80-24,422.40-13,819.20

Finding the Fourth Proportional to 16,297.80, 24,422.40 and 13,819.20

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Solution

The fourth proportional to 16,297.80, 24,422.40 and 13,819.20 is: 20,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.80 : 24,422.40 = 13,819.20 : x
  2. Step 2: Convert to fraction form
    16,297.80/24,422.40 = 13,819.20/x
  3. Step 3: Cross multiply
    16,297.80x = 24,422.40 × 13,819.20
  4. Step 4: Simplify right side
    16,297.80x = 337,498,030.08
  5. Step 5: Solve for x
    x = 337,498,030.08/16,297.80
  6. Step 6: Final answer
    x = 20,708.20

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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.