Home / 12,766.80-19,149.56-4,444.24

Finding the Fourth Proportional to 12,766.80, 19,149.56 and 4,444.24

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Solution

The fourth proportional to 12,766.80, 19,149.56 and 4,444.24 is: 6,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.80 : 19,149.56 = 4,444.24 : x
  2. Step 2: Convert to fraction form
    12,766.80/19,149.56 = 4,444.24/x
  3. Step 3: Cross multiply
    12,766.80x = 19,149.56 × 4,444.24
  4. Step 4: Simplify right side
    12,766.80x = 85,105,240.53
  5. Step 5: Solve for x
    x = 85,105,240.53/12,766.80
  6. Step 6: Final answer
    x = 6,666.14

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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.