Home / 19,112.20-26,372.46-11,151.88

Finding the Fourth Proportional to 19,112.20, 26,372.46 and 11,151.88

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Solution

The fourth proportional to 19,112.20, 26,372.46 and 11,151.88 is: 15,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.20 : 26,372.46 = 11,151.88 : x
  2. Step 2: Convert to fraction form
    19,112.20/26,372.46 = 11,151.88/x
  3. Step 3: Cross multiply
    19,112.20x = 26,372.46 × 11,151.88
  4. Step 4: Simplify right side
    19,112.20x = 294,102,509.22
  5. Step 5: Solve for x
    x = 294,102,509.22/19,112.20
  6. Step 6: Final answer
    x = 15,388.21

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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.