Home / 16,724.25-23,078.93-9,170.39

Finding the Fourth Proportional to 16,724.25, 23,078.93 and 9,170.39

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Solution

The fourth proportional to 16,724.25, 23,078.93 and 9,170.39 is: 12,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.25 : 23,078.93 = 9,170.39 : x
  2. Step 2: Convert to fraction form
    16,724.25/23,078.93 = 9,170.39/x
  3. Step 3: Cross multiply
    16,724.25x = 23,078.93 × 9,170.39
  4. Step 4: Simplify right side
    16,724.25x = 211,642,627.64
  5. Step 5: Solve for x
    x = 211,642,627.64/16,724.25
  6. Step 6: Final answer
    x = 12,654.84

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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.