Home / 19,419.88-26,800.26-11,037.16

Finding the Fourth Proportional to 19,419.88, 26,800.26 and 11,037.16

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Solution

The fourth proportional to 19,419.88, 26,800.26 and 11,037.16 is: 15,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.88 : 26,800.26 = 11,037.16 : x
  2. Step 2: Convert to fraction form
    19,419.88/26,800.26 = 11,037.16/x
  3. Step 3: Cross multiply
    19,419.88x = 26,800.26 × 11,037.16
  4. Step 4: Simplify right side
    19,419.88x = 295,798,757.66
  5. Step 5: Solve for x
    x = 295,798,757.66/19,419.88
  6. Step 6: Final answer
    x = 15,231.75

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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.