Home / 43,439.66-65,160.15-17,144.16

Finding the Fourth Proportional to 43,439.66, 65,160.15 and 17,144.16

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Solution

The fourth proportional to 43,439.66, 65,160.15 and 17,144.16 is: 25,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.66 : 65,160.15 = 17,144.16 : x
  2. Step 2: Convert to fraction form
    43,439.66/65,160.15 = 17,144.16/x
  3. Step 3: Cross multiply
    43,439.66x = 65,160.15 × 17,144.16
  4. Step 4: Simplify right side
    43,439.66x = 1,117,115,728.58
  5. Step 5: Solve for x
    x = 1,117,115,728.58/43,439.66
  6. Step 6: Final answer
    x = 25,716.49

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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.