Home / 12,852.27-19,278.41-4,527.90

Finding the Fourth Proportional to 12,852.27, 19,278.41 and 4,527.90

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Solution

The fourth proportional to 12,852.27, 19,278.41 and 4,527.90 is: 6,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.27 : 19,278.41 = 4,527.90 : x
  2. Step 2: Convert to fraction form
    12,852.27/19,278.41 = 4,527.90/x
  3. Step 3: Cross multiply
    12,852.27x = 19,278.41 × 4,527.90
  4. Step 4: Simplify right side
    12,852.27x = 87,290,690.00
  5. Step 5: Solve for x
    x = 87,290,690.00/12,852.27
  6. Step 6: Final answer
    x = 6,791.85

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Similar ratio
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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.