Home / 35,081.75-52,589.82-12,889.17

Finding the Fourth Proportional to 35,081.75, 52,589.82 and 12,889.17

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Solution

The fourth proportional to 35,081.75, 52,589.82 and 12,889.17 is: 19,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.75 : 52,589.82 = 12,889.17 : x
  2. Step 2: Convert to fraction form
    35,081.75/52,589.82 = 12,889.17/x
  3. Step 3: Cross multiply
    35,081.75x = 52,589.82 × 12,889.17
  4. Step 4: Simplify right side
    35,081.75x = 677,839,130.25
  5. Step 5: Solve for x
    x = 677,839,130.25/35,081.75
  6. Step 6: Final answer
    x = 19,321.70

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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.