Home / 16,657.20-22,991.76-10,996.08

Finding the Fourth Proportional to 16,657.20, 22,991.76 and 10,996.08

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Solution

The fourth proportional to 16,657.20, 22,991.76 and 10,996.08 is: 15,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.20 : 22,991.76 = 10,996.08 : x
  2. Step 2: Convert to fraction form
    16,657.20/22,991.76 = 10,996.08/x
  3. Step 3: Cross multiply
    16,657.20x = 22,991.76 × 10,996.08
  4. Step 4: Simplify right side
    16,657.20x = 252,819,232.30
  5. Step 5: Solve for x
    x = 252,819,232.30/16,657.20
  6. Step 6: Final answer
    x = 15,177.77

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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.