Home / 17,918.15-24,670.56-16,257.39

Finding the Fourth Proportional to 17,918.15, 24,670.56 and 16,257.39

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Solution

The fourth proportional to 17,918.15, 24,670.56 and 16,257.39 is: 22,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.15 : 24,670.56 = 16,257.39 : x
  2. Step 2: Convert to fraction form
    17,918.15/24,670.56 = 16,257.39/x
  3. Step 3: Cross multiply
    17,918.15x = 24,670.56 × 16,257.39
  4. Step 4: Simplify right side
    17,918.15x = 401,078,915.44
  5. Step 5: Solve for x
    x = 401,078,915.44/17,918.15
  6. Step 6: Final answer
    x = 22,383.95

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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.