Home / 17,127.70-25,672.35-7,265.30

Finding the Fourth Proportional to 17,127.70, 25,672.35 and 7,265.30

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Solution

The fourth proportional to 17,127.70, 25,672.35 and 7,265.30 is: 10,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.70 : 25,672.35 = 7,265.30 : x
  2. Step 2: Convert to fraction form
    17,127.70/25,672.35 = 7,265.30/x
  3. Step 3: Cross multiply
    17,127.70x = 25,672.35 × 7,265.30
  4. Step 4: Simplify right side
    17,127.70x = 186,517,324.46
  5. Step 5: Solve for x
    x = 186,517,324.46/17,127.70
  6. Step 6: Final answer
    x = 10,889.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.