Home / 19,469.28-26,867.58-11,085.78

Finding the Fourth Proportional to 19,469.28, 26,867.58 and 11,085.78

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Solution

The fourth proportional to 19,469.28, 26,867.58 and 11,085.78 is: 15,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.28 : 26,867.58 = 11,085.78 : x
  2. Step 2: Convert to fraction form
    19,469.28/26,867.58 = 11,085.78/x
  3. Step 3: Cross multiply
    19,469.28x = 26,867.58 × 11,085.78
  4. Step 4: Simplify right side
    19,469.28x = 297,848,081.01
  5. Step 5: Solve for x
    x = 297,848,081.01/19,469.28
  6. Step 6: Final answer
    x = 15,298.36

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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.