Home / 16,127.76-22,252.42-9,409.56

Finding the Fourth Proportional to 16,127.76, 22,252.42 and 9,409.56

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Solution

The fourth proportional to 16,127.76, 22,252.42 and 9,409.56 is: 12,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,127.76 : 22,252.42 = 9,409.56 : x
  2. Step 2: Convert to fraction form
    16,127.76/22,252.42 = 9,409.56/x
  3. Step 3: Cross multiply
    16,127.76x = 22,252.42 × 9,409.56
  4. Step 4: Simplify right side
    16,127.76x = 209,385,481.14
  5. Step 5: Solve for x
    x = 209,385,481.14/16,127.76
  6. Step 6: Final answer
    x = 12,982.92

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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.