Home / 19,391.55-26,760.29-10,893.91

Finding the Fourth Proportional to 19,391.55, 26,760.29 and 10,893.91

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Solution

The fourth proportional to 19,391.55, 26,760.29 and 10,893.91 is: 15,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.55 : 26,760.29 = 10,893.91 : x
  2. Step 2: Convert to fraction form
    19,391.55/26,760.29 = 10,893.91/x
  3. Step 3: Cross multiply
    19,391.55x = 26,760.29 × 10,893.91
  4. Step 4: Simplify right side
    19,391.55x = 291,524,180.92
  5. Step 5: Solve for x
    x = 291,524,180.92/19,391.55
  6. Step 6: Final answer
    x = 15,033.57

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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.