Home / 17,778.11-24,515.37-15,268.52

Finding the Fourth Proportional to 17,778.11, 24,515.37 and 15,268.52

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Solution

The fourth proportional to 17,778.11, 24,515.37 and 15,268.52 is: 21,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.11 : 24,515.37 = 15,268.52 : x
  2. Step 2: Convert to fraction form
    17,778.11/24,515.37 = 15,268.52/x
  3. Step 3: Cross multiply
    17,778.11x = 24,515.37 × 15,268.52
  4. Step 4: Simplify right side
    17,778.11x = 374,313,294.58
  5. Step 5: Solve for x
    x = 374,313,294.58/17,778.11
  6. Step 6: Final answer
    x = 21,054.74

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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.