Home / 22,063.15-30,445.91-11,991.54

Finding the Fourth Proportional to 22,063.15, 30,445.91 and 11,991.54

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Solution

The fourth proportional to 22,063.15, 30,445.91 and 11,991.54 is: 16,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.15 : 30,445.91 = 11,991.54 : x
  2. Step 2: Convert to fraction form
    22,063.15/30,445.91 = 11,991.54/x
  3. Step 3: Cross multiply
    22,063.15x = 30,445.91 × 11,991.54
  4. Step 4: Simplify right side
    22,063.15x = 365,093,446.78
  5. Step 5: Solve for x
    x = 365,093,446.78/22,063.15
  6. Step 6: Final answer
    x = 16,547.66

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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.