Home / 12,960.71-19,444.15-4,195.62

Finding the Fourth Proportional to 12,960.71, 19,444.15 and 4,195.62

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Solution

The fourth proportional to 12,960.71, 19,444.15 and 4,195.62 is: 6,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.71 : 19,444.15 = 4,195.62 : x
  2. Step 2: Convert to fraction form
    12,960.71/19,444.15 = 4,195.62/x
  3. Step 3: Cross multiply
    12,960.71x = 19,444.15 × 4,195.62
  4. Step 4: Simplify right side
    12,960.71x = 81,580,342.78
  5. Step 5: Solve for x
    x = 81,580,342.78/12,960.71
  6. Step 6: Final answer
    x = 6,294.44

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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.