Home / 13,129.50-19,672.32-9,226.92

Finding the Fourth Proportional to 13,129.50, 19,672.32 and 9,226.92

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Solution

The fourth proportional to 13,129.50, 19,672.32 and 9,226.92 is: 13,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129.50 : 19,672.32 = 9,226.92 : x
  2. Step 2: Convert to fraction form
    13,129.50/19,672.32 = 9,226.92/x
  3. Step 3: Cross multiply
    13,129.50x = 19,672.32 × 9,226.92
  4. Step 4: Simplify right side
    13,129.50x = 181,514,922.85
  5. Step 5: Solve for x
    x = 181,514,922.85/13,129.50
  6. Step 6: Final answer
    x = 13,824.97

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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.