Home / 17,115.12-23,618.88-9,946.44

Finding the Fourth Proportional to 17,115.12, 23,618.88 and 9,946.44

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Solution

The fourth proportional to 17,115.12, 23,618.88 and 9,946.44 is: 13,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.12 : 23,618.88 = 9,946.44 : x
  2. Step 2: Convert to fraction form
    17,115.12/23,618.88 = 9,946.44/x
  3. Step 3: Cross multiply
    17,115.12x = 23,618.88 × 9,946.44
  4. Step 4: Simplify right side
    17,115.12x = 234,923,772.79
  5. Step 5: Solve for x
    x = 234,923,772.79/17,115.12
  6. Step 6: Final answer
    x = 13,726.10

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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.