Home / 13,029.85-17,981.10-7,366.44

Finding the Fourth Proportional to 13,029.85, 17,981.10 and 7,366.44

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Solution

The fourth proportional to 13,029.85, 17,981.10 and 7,366.44 is: 10,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.85 : 17,981.10 = 7,366.44 : x
  2. Step 2: Convert to fraction form
    13,029.85/17,981.10 = 7,366.44/x
  3. Step 3: Cross multiply
    13,029.85x = 17,981.10 × 7,366.44
  4. Step 4: Simplify right side
    13,029.85x = 132,456,694.28
  5. Step 5: Solve for x
    x = 132,456,694.28/13,029.85
  6. Step 6: Final answer
    x = 10,165.63

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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.