Home / 18,123.30-25,010.36-10,057.11

Finding the Fourth Proportional to 18,123.30, 25,010.36 and 10,057.11

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Solution

The fourth proportional to 18,123.30, 25,010.36 and 10,057.11 is: 13,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.30 : 25,010.36 = 10,057.11 : x
  2. Step 2: Convert to fraction form
    18,123.30/25,010.36 = 10,057.11/x
  3. Step 3: Cross multiply
    18,123.30x = 25,010.36 × 10,057.11
  4. Step 4: Simplify right side
    18,123.30x = 251,531,891.37
  5. Step 5: Solve for x
    x = 251,531,891.37/18,123.30
  6. Step 6: Final answer
    x = 13,878.92

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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.