Home / 18,268.07-25,207.23-10,711.54

Finding the Fourth Proportional to 18,268.07, 25,207.23 and 10,711.54

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Solution

The fourth proportional to 18,268.07, 25,207.23 and 10,711.54 is: 14,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.07 : 25,207.23 = 10,711.54 : x
  2. Step 2: Convert to fraction form
    18,268.07/25,207.23 = 10,711.54/x
  3. Step 3: Cross multiply
    18,268.07x = 25,207.23 × 10,711.54
  4. Step 4: Simplify right side
    18,268.07x = 270,008,324.11
  5. Step 5: Solve for x
    x = 270,008,324.11/18,268.07
  6. Step 6: Final answer
    x = 14,780.35

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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.