Home / 19,240.64-26,551.56-11,286.80

Finding the Fourth Proportional to 19,240.64, 26,551.56 and 11,286.80

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Solution

The fourth proportional to 19,240.64, 26,551.56 and 11,286.80 is: 15,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.64 : 26,551.56 = 11,286.80 : x
  2. Step 2: Convert to fraction form
    19,240.64/26,551.56 = 11,286.80/x
  3. Step 3: Cross multiply
    19,240.64x = 26,551.56 × 11,286.80
  4. Step 4: Simplify right side
    19,240.64x = 299,682,147.41
  5. Step 5: Solve for x
    x = 299,682,147.41/19,240.64
  6. Step 6: Final answer
    x = 15,575.48

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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.