Home / 28,045.86-42,067.14-10,514.22

Finding the Fourth Proportional to 28,045.86, 42,067.14 and 10,514.22

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Solution

The fourth proportional to 28,045.86, 42,067.14 and 10,514.22 is: 15,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.86 : 42,067.14 = 10,514.22 : x
  2. Step 2: Convert to fraction form
    28,045.86/42,067.14 = 10,514.22/x
  3. Step 3: Cross multiply
    28,045.86x = 42,067.14 × 10,514.22
  4. Step 4: Simplify right side
    28,045.86x = 442,303,164.73
  5. Step 5: Solve for x
    x = 442,303,164.73/28,045.86
  6. Step 6: Final answer
    x = 15,770.71

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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.