Home / 19,352.79-26,712.38-11,399.60

Finding the Fourth Proportional to 19,352.79, 26,712.38 and 11,399.60

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Solution

The fourth proportional to 19,352.79, 26,712.38 and 11,399.60 is: 15,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.79 : 26,712.38 = 11,399.60 : x
  2. Step 2: Convert to fraction form
    19,352.79/26,712.38 = 11,399.60/x
  3. Step 3: Cross multiply
    19,352.79x = 26,712.38 × 11,399.60
  4. Step 4: Simplify right side
    19,352.79x = 304,510,447.05
  5. Step 5: Solve for x
    x = 304,510,447.05/19,352.79
  6. Step 6: Final answer
    x = 15,734.71

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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.