Home / 21,249.52-31,874.64-5,667.04

Finding the Fourth Proportional to 21,249.52, 31,874.64 and 5,667.04

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Solution

The fourth proportional to 21,249.52, 31,874.64 and 5,667.04 is: 8,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.52 : 31,874.64 = 5,667.04 : x
  2. Step 2: Convert to fraction form
    21,249.52/31,874.64 = 5,667.04/x
  3. Step 3: Cross multiply
    21,249.52x = 31,874.64 × 5,667.04
  4. Step 4: Simplify right side
    21,249.52x = 180,634,859.87
  5. Step 5: Solve for x
    x = 180,634,859.87/21,249.52
  6. Step 6: Final answer
    x = 8,500.66

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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.