Home / 22,207.14-30,649.32-14,257.80

Finding the Fourth Proportional to 22,207.14, 30,649.32 and 14,257.80

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Solution

The fourth proportional to 22,207.14, 30,649.32 and 14,257.80 is: 19,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.14 : 30,649.32 = 14,257.80 : x
  2. Step 2: Convert to fraction form
    22,207.14/30,649.32 = 14,257.80/x
  3. Step 3: Cross multiply
    22,207.14x = 30,649.32 × 14,257.80
  4. Step 4: Simplify right side
    22,207.14x = 436,991,874.70
  5. Step 5: Solve for x
    x = 436,991,874.70/22,207.14
  6. Step 6: Final answer
    x = 19,677.99

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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.