Home / 19,050.18-28,619.13-13,517.22

Finding the Fourth Proportional to 19,050.18, 28,619.13 and 13,517.22

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Solution

The fourth proportional to 19,050.18, 28,619.13 and 13,517.22 is: 20,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.18 : 28,619.13 = 13,517.22 : x
  2. Step 2: Convert to fraction form
    19,050.18/28,619.13 = 13,517.22/x
  3. Step 3: Cross multiply
    19,050.18x = 28,619.13 × 13,517.22
  4. Step 4: Simplify right side
    19,050.18x = 386,851,076.42
  5. Step 5: Solve for x
    x = 386,851,076.42/19,050.18
  6. Step 6: Final answer
    x = 20,306.95

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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.