Home / 26,931.30-40,371.39-9,396.42

Finding the Fourth Proportional to 26,931.30, 40,371.39 and 9,396.42

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Solution

The fourth proportional to 26,931.30, 40,371.39 and 9,396.42 is: 14,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.30 : 40,371.39 = 9,396.42 : x
  2. Step 2: Convert to fraction form
    26,931.30/40,371.39 = 9,396.42/x
  3. Step 3: Cross multiply
    26,931.30x = 40,371.39 × 9,396.42
  4. Step 4: Simplify right side
    26,931.30x = 379,346,536.42
  5. Step 5: Solve for x
    x = 379,346,536.42/26,931.30
  6. Step 6: Final answer
    x = 14,085.71

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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.