Home / 22,063.18-30,447.42-11,991.62

Finding the Fourth Proportional to 22,063.18, 30,447.42 and 11,991.62

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Solution

The fourth proportional to 22,063.18, 30,447.42 and 11,991.62 is: 16,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.18 : 30,447.42 = 11,991.62 : x
  2. Step 2: Convert to fraction form
    22,063.18/30,447.42 = 11,991.62/x
  3. Step 3: Cross multiply
    22,063.18x = 30,447.42 × 11,991.62
  4. Step 4: Simplify right side
    22,063.18x = 365,114,011.71
  5. Step 5: Solve for x
    x = 365,114,011.71/22,063.18
  6. Step 6: Final answer
    x = 16,548.57

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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.