Home / 26,950.16-40,406.88-13,791.80

Finding the Fourth Proportional to 26,950.16, 40,406.88 and 13,791.80

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Solution

The fourth proportional to 26,950.16, 40,406.88 and 13,791.80 is: 20,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,950.16 : 40,406.88 = 13,791.80 : x
  2. Step 2: Convert to fraction form
    26,950.16/40,406.88 = 13,791.80/x
  3. Step 3: Cross multiply
    26,950.16x = 40,406.88 × 13,791.80
  4. Step 4: Simplify right side
    26,950.16x = 557,283,607.58
  5. Step 5: Solve for x
    x = 557,283,607.58/26,950.16
  6. Step 6: Final answer
    x = 20,678.30

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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.