Home / 22,029.56-30,399.97-11,957.79

Finding the Fourth Proportional to 22,029.56, 30,399.97 and 11,957.79

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Solution

The fourth proportional to 22,029.56, 30,399.97 and 11,957.79 is: 16,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.56 : 30,399.97 = 11,957.79 : x
  2. Step 2: Convert to fraction form
    22,029.56/30,399.97 = 11,957.79/x
  3. Step 3: Cross multiply
    22,029.56x = 30,399.97 × 11,957.79
  4. Step 4: Simplify right side
    22,029.56x = 363,516,275.37
  5. Step 5: Solve for x
    x = 363,516,275.37/22,029.56
  6. Step 6: Final answer
    x = 16,501.30

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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.