Home / 18,127.64-25,016.31-10,170.03

Finding the Fourth Proportional to 18,127.64, 25,016.31 and 10,170.03

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Solution

The fourth proportional to 18,127.64, 25,016.31 and 10,170.03 is: 14,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.64 : 25,016.31 = 10,170.03 : x
  2. Step 2: Convert to fraction form
    18,127.64/25,016.31 = 10,170.03/x
  3. Step 3: Cross multiply
    18,127.64x = 25,016.31 × 10,170.03
  4. Step 4: Simplify right side
    18,127.64x = 254,416,623.19
  5. Step 5: Solve for x
    x = 254,416,623.19/18,127.64
  6. Step 6: Final answer
    x = 14,034.73

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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.