Home / 16,924.20-25,388.10-13,219.20

Finding the Fourth Proportional to 16,924.20, 25,388.10 and 13,219.20

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Solution

The fourth proportional to 16,924.20, 25,388.10 and 13,219.20 is: 19,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,924.20 : 25,388.10 = 13,219.20 : x
  2. Step 2: Convert to fraction form
    16,924.20/25,388.10 = 13,219.20/x
  3. Step 3: Cross multiply
    16,924.20x = 25,388.10 × 13,219.20
  4. Step 4: Simplify right side
    16,924.20x = 335,610,371.52
  5. Step 5: Solve for x
    x = 335,610,371.52/16,924.20
  6. Step 6: Final answer
    x = 19,830.21

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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.