Home / 16,177.72-22,321.56-9,101.56

Finding the Fourth Proportional to 16,177.72, 22,321.56 and 9,101.56

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Solution

The fourth proportional to 16,177.72, 22,321.56 and 9,101.56 is: 12,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.72 : 22,321.56 = 9,101.56 : x
  2. Step 2: Convert to fraction form
    16,177.72/22,321.56 = 9,101.56/x
  3. Step 3: Cross multiply
    16,177.72x = 22,321.56 × 9,101.56
  4. Step 4: Simplify right side
    16,177.72x = 203,161,017.63
  5. Step 5: Solve for x
    x = 203,161,017.63/16,177.72
  6. Step 6: Final answer
    x = 12,558.07

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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.