Home / 18,716.90-25,828.22-10,217.34

Finding the Fourth Proportional to 18,716.90, 25,828.22 and 10,217.34

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Solution

The fourth proportional to 18,716.90, 25,828.22 and 10,217.34 is: 14,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.90 : 25,828.22 = 10,217.34 : x
  2. Step 2: Convert to fraction form
    18,716.90/25,828.22 = 10,217.34/x
  3. Step 3: Cross multiply
    18,716.90x = 25,828.22 × 10,217.34
  4. Step 4: Simplify right side
    18,716.90x = 263,895,730.88
  5. Step 5: Solve for x
    x = 263,895,730.88/18,716.90
  6. Step 6: Final answer
    x = 14,099.33

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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.