Home / 13,092.27-19,650.75-8,712.81

Finding the Fourth Proportional to 13,092.27, 19,650.75 and 8,712.81

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Solution

The fourth proportional to 13,092.27, 19,650.75 and 8,712.81 is: 13,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.27 : 19,650.75 = 8,712.81 : x
  2. Step 2: Convert to fraction form
    13,092.27/19,650.75 = 8,712.81/x
  3. Step 3: Cross multiply
    13,092.27x = 19,650.75 × 8,712.81
  4. Step 4: Simplify right side
    13,092.27x = 171,213,251.11
  5. Step 5: Solve for x
    x = 171,213,251.11/13,092.27
  6. Step 6: Final answer
    x = 13,077.43

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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.