Home / 19,693.84-27,176.44-11,310.36

Finding the Fourth Proportional to 19,693.84, 27,176.44 and 11,310.36

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Solution

The fourth proportional to 19,693.84, 27,176.44 and 11,310.36 is: 15,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.84 : 27,176.44 = 11,310.36 : x
  2. Step 2: Convert to fraction form
    19,693.84/27,176.44 = 11,310.36/x
  3. Step 3: Cross multiply
    19,693.84x = 27,176.44 × 11,310.36
  4. Step 4: Simplify right side
    19,693.84x = 307,375,319.92
  5. Step 5: Solve for x
    x = 307,375,319.92/19,693.84
  6. Step 6: Final answer
    x = 15,607.69

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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.