Home / 12,837.15-19,265.45-8,667.27

Finding the Fourth Proportional to 12,837.15, 19,265.45 and 8,667.27

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Solution

The fourth proportional to 12,837.15, 19,265.45 and 8,667.27 is: 13,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.15 : 19,265.45 = 8,667.27 : x
  2. Step 2: Convert to fraction form
    12,837.15/19,265.45 = 8,667.27/x
  3. Step 3: Cross multiply
    12,837.15x = 19,265.45 × 8,667.27
  4. Step 4: Simplify right side
    12,837.15x = 166,978,813.49
  5. Step 5: Solve for x
    x = 166,978,813.49/12,837.15
  6. Step 6: Final answer
    x = 13,007.47

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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.