Home / 26,933.98-40,407.09-8,215.69

Finding the Fourth Proportional to 26,933.98, 40,407.09 and 8,215.69

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Solution

The fourth proportional to 26,933.98, 40,407.09 and 8,215.69 is: 12,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.98 : 40,407.09 = 8,215.69 : x
  2. Step 2: Convert to fraction form
    26,933.98/40,407.09 = 8,215.69/x
  3. Step 3: Cross multiply
    26,933.98x = 40,407.09 × 8,215.69
  4. Step 4: Simplify right side
    26,933.98x = 331,972,125.24
  5. Step 5: Solve for x
    x = 331,972,125.24/26,933.98
  6. Step 6: Final answer
    x = 12,325.40

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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.