Home / 18,723.19-25,834.92-11,065.39

Finding the Fourth Proportional to 18,723.19, 25,834.92 and 11,065.39

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Solution

The fourth proportional to 18,723.19, 25,834.92 and 11,065.39 is: 15,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.19 : 25,834.92 = 11,065.39 : x
  2. Step 2: Convert to fraction form
    18,723.19/25,834.92 = 11,065.39/x
  3. Step 3: Cross multiply
    18,723.19x = 25,834.92 × 11,065.39
  4. Step 4: Simplify right side
    18,723.19x = 285,873,465.42
  5. Step 5: Solve for x
    x = 285,873,465.42/18,723.19
  6. Step 6: Final answer
    x = 15,268.42

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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.