Home / 18,926.30-28,397.64-10,150.97

Finding the Fourth Proportional to 18,926.30, 28,397.64 and 10,150.97

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Solution

The fourth proportional to 18,926.30, 28,397.64 and 10,150.97 is: 15,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.30 : 28,397.64 = 10,150.97 : x
  2. Step 2: Convert to fraction form
    18,926.30/28,397.64 = 10,150.97/x
  3. Step 3: Cross multiply
    18,926.30x = 28,397.64 × 10,150.97
  4. Step 4: Simplify right side
    18,926.30x = 288,263,449.72
  5. Step 5: Solve for x
    x = 288,263,449.72/18,926.30
  6. Step 6: Final answer
    x = 15,230.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.