Home / 13,364.46-18,449.91-12,481.02

Finding the Fourth Proportional to 13,364.46, 18,449.91 and 12,481.02

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Solution

The fourth proportional to 13,364.46, 18,449.91 and 12,481.02 is: 17,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.46 : 18,449.91 = 12,481.02 : x
  2. Step 2: Convert to fraction form
    13,364.46/18,449.91 = 12,481.02/x
  3. Step 3: Cross multiply
    13,364.46x = 18,449.91 × 12,481.02
  4. Step 4: Simplify right side
    13,364.46x = 230,273,695.71
  5. Step 5: Solve for x
    x = 230,273,695.71/13,364.46
  6. Step 6: Final answer
    x = 17,230.30

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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.