Home / 18,200.52-25,123.26-11,127.60

Finding the Fourth Proportional to 18,200.52, 25,123.26 and 11,127.60

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Solution

The fourth proportional to 18,200.52, 25,123.26 and 11,127.60 is: 15,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.52 : 25,123.26 = 11,127.60 : x
  2. Step 2: Convert to fraction form
    18,200.52/25,123.26 = 11,127.60/x
  3. Step 3: Cross multiply
    18,200.52x = 25,123.26 × 11,127.60
  4. Step 4: Simplify right side
    18,200.52x = 279,561,587.98
  5. Step 5: Solve for x
    x = 279,561,587.98/18,200.52
  6. Step 6: Final answer
    x = 15,360.09

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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.