Home / 19,693.56-27,176.94-11,310.12

Finding the Fourth Proportional to 19,693.56, 27,176.94 and 11,310.12

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Solution

The fourth proportional to 19,693.56, 27,176.94 and 11,310.12 is: 15,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.56 : 27,176.94 = 11,310.12 : x
  2. Step 2: Convert to fraction form
    19,693.56/27,176.94 = 11,310.12/x
  3. Step 3: Cross multiply
    19,693.56x = 27,176.94 × 11,310.12
  4. Step 4: Simplify right side
    19,693.56x = 307,374,452.63
  5. Step 5: Solve for x
    x = 307,374,452.63/19,693.56
  6. Step 6: Final answer
    x = 15,607.87

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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.