Home / 19,107.44-26,371.56-11,154.32

Finding the Fourth Proportional to 19,107.44, 26,371.56 and 11,154.32

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Solution

The fourth proportional to 19,107.44, 26,371.56 and 11,154.32 is: 15,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.44 : 26,371.56 = 11,154.32 : x
  2. Step 2: Convert to fraction form
    19,107.44/26,371.56 = 11,154.32/x
  3. Step 3: Cross multiply
    19,107.44x = 26,371.56 × 11,154.32
  4. Step 4: Simplify right side
    19,107.44x = 294,156,819.14
  5. Step 5: Solve for x
    x = 294,156,819.14/19,107.44
  6. Step 6: Final answer
    x = 15,394.88

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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.