Home / 26,940.42-37,139.22-18,957.84

Finding the Fourth Proportional to 26,940.42, 37,139.22 and 18,957.84

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Solution

The fourth proportional to 26,940.42, 37,139.22 and 18,957.84 is: 26,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.42 : 37,139.22 = 18,957.84 : x
  2. Step 2: Convert to fraction form
    26,940.42/37,139.22 = 18,957.84/x
  3. Step 3: Cross multiply
    26,940.42x = 37,139.22 × 18,957.84
  4. Step 4: Simplify right side
    26,940.42x = 704,079,390.48
  5. Step 5: Solve for x
    x = 704,079,390.48/26,940.42
  6. Step 6: Final answer
    x = 26,134.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.