Home / 13,482.02-20,215.31-4,119.44

Finding the Fourth Proportional to 13,482.02, 20,215.31 and 4,119.44

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Solution

The fourth proportional to 13,482.02, 20,215.31 and 4,119.44 is: 6,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.02 : 20,215.31 = 4,119.44 : x
  2. Step 2: Convert to fraction form
    13,482.02/20,215.31 = 4,119.44/x
  3. Step 3: Cross multiply
    13,482.02x = 20,215.31 × 4,119.44
  4. Step 4: Simplify right side
    13,482.02x = 83,275,634.95
  5. Step 5: Solve for x
    x = 83,275,634.95/13,482.02
  6. Step 6: Final answer
    x = 6,176.79

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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.