Home / 18,823.15-25,958.13-11,268.28

Finding the Fourth Proportional to 18,823.15, 25,958.13 and 11,268.28

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Solution

The fourth proportional to 18,823.15, 25,958.13 and 11,268.28 is: 15,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.15 : 25,958.13 = 11,268.28 : x
  2. Step 2: Convert to fraction form
    18,823.15/25,958.13 = 11,268.28/x
  3. Step 3: Cross multiply
    18,823.15x = 25,958.13 × 11,268.28
  4. Step 4: Simplify right side
    18,823.15x = 292,503,477.12
  5. Step 5: Solve for x
    x = 292,503,477.12/18,823.15
  6. Step 6: Final answer
    x = 15,539.56

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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.