Home / 17,049.67-23,521.89-12,571.78

Finding the Fourth Proportional to 17,049.67, 23,521.89 and 12,571.78

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Solution

The fourth proportional to 17,049.67, 23,521.89 and 12,571.78 is: 17,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.67 : 23,521.89 = 12,571.78 : x
  2. Step 2: Convert to fraction form
    17,049.67/23,521.89 = 12,571.78/x
  3. Step 3: Cross multiply
    17,049.67x = 23,521.89 × 12,571.78
  4. Step 4: Simplify right side
    17,049.67x = 295,712,026.26
  5. Step 5: Solve for x
    x = 295,712,026.26/17,049.67
  6. Step 6: Final answer
    x = 17,344.15

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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.