Home / 19,782.11-27,299.27-10,829.61

Finding the Fourth Proportional to 19,782.11, 27,299.27 and 10,829.61

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Solution

The fourth proportional to 19,782.11, 27,299.27 and 10,829.61 is: 14,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.11 : 27,299.27 = 10,829.61 : x
  2. Step 2: Convert to fraction form
    19,782.11/27,299.27 = 10,829.61/x
  3. Step 3: Cross multiply
    19,782.11x = 27,299.27 × 10,829.61
  4. Step 4: Simplify right side
    19,782.11x = 295,640,393.24
  5. Step 5: Solve for x
    x = 295,640,393.24/19,782.11
  6. Step 6: Final answer
    x = 14,944.84

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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.