Home / 13,754.46-18,981.48-8,446.26

Finding the Fourth Proportional to 13,754.46, 18,981.48 and 8,446.26

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Solution

The fourth proportional to 13,754.46, 18,981.48 and 8,446.26 is: 11,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.46 : 18,981.48 = 8,446.26 : x
  2. Step 2: Convert to fraction form
    13,754.46/18,981.48 = 8,446.26/x
  3. Step 3: Cross multiply
    13,754.46x = 18,981.48 × 8,446.26
  4. Step 4: Simplify right side
    13,754.46x = 160,322,515.26
  5. Step 5: Solve for x
    x = 160,322,515.26/13,754.46
  6. Step 6: Final answer
    x = 11,656.04

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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.