Home / 13,859.88-19,104.17-10,829.70

Finding the Fourth Proportional to 13,859.88, 19,104.17 and 10,829.70

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Solution

The fourth proportional to 13,859.88, 19,104.17 and 10,829.70 is: 14,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.88 : 19,104.17 = 10,829.70 : x
  2. Step 2: Convert to fraction form
    13,859.88/19,104.17 = 10,829.70/x
  3. Step 3: Cross multiply
    13,859.88x = 19,104.17 × 10,829.70
  4. Step 4: Simplify right side
    13,859.88x = 206,892,429.85
  5. Step 5: Solve for x
    x = 206,892,429.85/13,859.88
  6. Step 6: Final answer
    x = 14,927.43

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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.