Home / 19,309.87-26,649.86-11,760.63

Finding the Fourth Proportional to 19,309.87, 26,649.86 and 11,760.63

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Solution

The fourth proportional to 19,309.87, 26,649.86 and 11,760.63 is: 16,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.87 : 26,649.86 = 11,760.63 : x
  2. Step 2: Convert to fraction form
    19,309.87/26,649.86 = 11,760.63/x
  3. Step 3: Cross multiply
    19,309.87x = 26,649.86 × 11,760.63
  4. Step 4: Simplify right side
    19,309.87x = 313,419,143.01
  5. Step 5: Solve for x
    x = 313,419,143.01/19,309.87
  6. Step 6: Final answer
    x = 16,231.03

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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.