Home / 13,976.71-20,960.60-4,614.98

Finding the Fourth Proportional to 13,976.71, 20,960.60 and 4,614.98

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Solution

The fourth proportional to 13,976.71, 20,960.60 and 4,614.98 is: 6,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.71 : 20,960.60 = 4,614.98 : x
  2. Step 2: Convert to fraction form
    13,976.71/20,960.60 = 4,614.98/x
  3. Step 3: Cross multiply
    13,976.71x = 20,960.60 × 4,614.98
  4. Step 4: Simplify right side
    13,976.71x = 96,732,621.91
  5. Step 5: Solve for x
    x = 96,732,621.91/13,976.71
  6. Step 6: Final answer
    x = 6,920.99

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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.