Home / 13,512.83-18,625.40-9,034.95

Finding the Fourth Proportional to 13,512.83, 18,625.40 and 9,034.95

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Solution

The fourth proportional to 13,512.83, 18,625.40 and 9,034.95 is: 12,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.83 : 18,625.40 = 9,034.95 : x
  2. Step 2: Convert to fraction form
    13,512.83/18,625.40 = 9,034.95/x
  3. Step 3: Cross multiply
    13,512.83x = 18,625.40 × 9,034.95
  4. Step 4: Simplify right side
    13,512.83x = 168,279,512.56
  5. Step 5: Solve for x
    x = 168,279,512.56/13,512.83
  6. Step 6: Final answer
    x = 12,453.32

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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.