Home / 26,142.30-39,227.63-11,351.16

Finding the Fourth Proportional to 26,142.30, 39,227.63 and 11,351.16

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Solution

The fourth proportional to 26,142.30, 39,227.63 and 11,351.16 is: 17,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.30 : 39,227.63 = 11,351.16 : x
  2. Step 2: Convert to fraction form
    26,142.30/39,227.63 = 11,351.16/x
  3. Step 3: Cross multiply
    26,142.30x = 39,227.63 × 11,351.16
  4. Step 4: Simplify right side
    26,142.30x = 445,279,047.80
  5. Step 5: Solve for x
    x = 445,279,047.80/26,142.30
  6. Step 6: Final answer
    x = 17,032.89

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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.