Home / 16,839.47-25,185.38-11,758.79

Finding the Fourth Proportional to 16,839.47, 25,185.38 and 11,758.79

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Solution

The fourth proportional to 16,839.47, 25,185.38 and 11,758.79 is: 17,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.47 : 25,185.38 = 11,758.79 : x
  2. Step 2: Convert to fraction form
    16,839.47/25,185.38 = 11,758.79/x
  3. Step 3: Cross multiply
    16,839.47x = 25,185.38 × 11,758.79
  4. Step 4: Simplify right side
    16,839.47x = 296,149,409.77
  5. Step 5: Solve for x
    x = 296,149,409.77/16,839.47
  6. Step 6: Final answer
    x = 17,586.63

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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.