Home / 18,127.67-25,016.01-10,169.72

Finding the Fourth Proportional to 18,127.67, 25,016.01 and 10,169.72

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Solution

The fourth proportional to 18,127.67, 25,016.01 and 10,169.72 is: 14,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.67 : 25,016.01 = 10,169.72 : x
  2. Step 2: Convert to fraction form
    18,127.67/25,016.01 = 10,169.72/x
  3. Step 3: Cross multiply
    18,127.67x = 25,016.01 × 10,169.72
  4. Step 4: Simplify right side
    18,127.67x = 254,405,817.22
  5. Step 5: Solve for x
    x = 254,405,817.22/18,127.67
  6. Step 6: Final answer
    x = 14,034.12

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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.