Home / 19,469.78-26,868.27-11,086.28

Finding the Fourth Proportional to 19,469.78, 26,868.27 and 11,086.28

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Solution

The fourth proportional to 19,469.78, 26,868.27 and 11,086.28 is: 15,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.78 : 26,868.27 = 11,086.28 : x
  2. Step 2: Convert to fraction form
    19,469.78/26,868.27 = 11,086.28/x
  3. Step 3: Cross multiply
    19,469.78x = 26,868.27 × 11,086.28
  4. Step 4: Simplify right side
    19,469.78x = 297,869,164.34
  5. Step 5: Solve for x
    x = 297,869,164.34/19,469.78
  6. Step 6: Final answer
    x = 15,299.05

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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.