Home / 14,092.20-19,447.23-7,718.80

Finding the Fourth Proportional to 14,092.20, 19,447.23 and 7,718.80

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Solution

The fourth proportional to 14,092.20, 19,447.23 and 7,718.80 is: 10,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.20 : 19,447.23 = 7,718.80 : x
  2. Step 2: Convert to fraction form
    14,092.20/19,447.23 = 7,718.80/x
  3. Step 3: Cross multiply
    14,092.20x = 19,447.23 × 7,718.80
  4. Step 4: Simplify right side
    14,092.20x = 150,109,278.92
  5. Step 5: Solve for x
    x = 150,109,278.92/14,092.20
  6. Step 6: Final answer
    x = 10,651.94

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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.