Home / 17,685.11-24,415.54-11,724.85

Finding the Fourth Proportional to 17,685.11, 24,415.54 and 11,724.85

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Solution

The fourth proportional to 17,685.11, 24,415.54 and 11,724.85 is: 16,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.11 : 24,415.54 = 11,724.85 : x
  2. Step 2: Convert to fraction form
    17,685.11/24,415.54 = 11,724.85/x
  3. Step 3: Cross multiply
    17,685.11x = 24,415.54 × 11,724.85
  4. Step 4: Simplify right side
    17,685.11x = 286,268,611.33
  5. Step 5: Solve for x
    x = 286,268,611.33/17,685.11
  6. Step 6: Final answer
    x = 16,186.98

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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.