Home / 19,310.87-26,651.24-11,761.63

Finding the Fourth Proportional to 19,310.87, 26,651.24 and 11,761.63

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Solution

The fourth proportional to 19,310.87, 26,651.24 and 11,761.63 is: 16,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.87 : 26,651.24 = 11,761.63 : x
  2. Step 2: Convert to fraction form
    19,310.87/26,651.24 = 11,761.63/x
  3. Step 3: Cross multiply
    19,310.87x = 26,651.24 × 11,761.63
  4. Step 4: Simplify right side
    19,310.87x = 313,462,023.92
  5. Step 5: Solve for x
    x = 313,462,023.92/19,310.87
  6. Step 6: Final answer
    x = 16,232.41

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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.