Home / 18,127.54-25,016.46-10,170.37

Finding the Fourth Proportional to 18,127.54, 25,016.46 and 10,170.37

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Solution

The fourth proportional to 18,127.54, 25,016.46 and 10,170.37 is: 14,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.54 : 25,016.46 = 10,170.37 : x
  2. Step 2: Convert to fraction form
    18,127.54/25,016.46 = 10,170.37/x
  3. Step 3: Cross multiply
    18,127.54x = 25,016.46 × 10,170.37
  4. Step 4: Simplify right side
    18,127.54x = 254,426,654.29
  5. Step 5: Solve for x
    x = 254,426,654.29/18,127.54
  6. Step 6: Final answer
    x = 14,035.37

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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.