Home / 19,458.12-26,850.15-10,958.88

Finding the Fourth Proportional to 19,458.12, 26,850.15 and 10,958.88

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Solution

The fourth proportional to 19,458.12, 26,850.15 and 10,958.88 is: 15,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.12 : 26,850.15 = 10,958.88 : x
  2. Step 2: Convert to fraction form
    19,458.12/26,850.15 = 10,958.88/x
  3. Step 3: Cross multiply
    19,458.12x = 26,850.15 × 10,958.88
  4. Step 4: Simplify right side
    19,458.12x = 294,247,571.83
  5. Step 5: Solve for x
    x = 294,247,571.83/19,458.12
  6. Step 6: Final answer
    x = 15,122.10

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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.