Home / 26,932.83-40,380.51-11,931.81

Finding the Fourth Proportional to 26,932.83, 40,380.51 and 11,931.81

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Solution

The fourth proportional to 26,932.83, 40,380.51 and 11,931.81 is: 17,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.83 : 40,380.51 = 11,931.81 : x
  2. Step 2: Convert to fraction form
    26,932.83/40,380.51 = 11,931.81/x
  3. Step 3: Cross multiply
    26,932.83x = 40,380.51 × 11,931.81
  4. Step 4: Simplify right side
    26,932.83x = 481,812,573.02
  5. Step 5: Solve for x
    x = 481,812,573.02/26,932.83
  6. Step 6: Final answer
    x = 17,889.42

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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.