Home / 14,103.80-19,454.40-9,074.56

Finding the Fourth Proportional to 14,103.80, 19,454.40 and 9,074.56

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Solution

The fourth proportional to 14,103.80, 19,454.40 and 9,074.56 is: 12,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.80 : 19,454.40 = 9,074.56 : x
  2. Step 2: Convert to fraction form
    14,103.80/19,454.40 = 9,074.56/x
  3. Step 3: Cross multiply
    14,103.80x = 19,454.40 × 9,074.56
  4. Step 4: Simplify right side
    14,103.80x = 176,540,120.06
  5. Step 5: Solve for x
    x = 176,540,120.06/14,103.80
  6. Step 6: Final answer
    x = 12,517.20

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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.