Home / 19,411.28-26,786.76-11,028.24

Finding the Fourth Proportional to 19,411.28, 26,786.76 and 11,028.24

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Solution

The fourth proportional to 19,411.28, 26,786.76 and 11,028.24 is: 15,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.28 : 26,786.76 = 11,028.24 : x
  2. Step 2: Convert to fraction form
    19,411.28/26,786.76 = 11,028.24/x
  3. Step 3: Cross multiply
    19,411.28x = 26,786.76 × 11,028.24
  4. Step 4: Simplify right side
    19,411.28x = 295,410,818.10
  5. Step 5: Solve for x
    x = 295,410,818.10/19,411.28
  6. Step 6: Final answer
    x = 15,218.51

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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.