Home / 19,861.26-27,406.98-11,363.58

Finding the Fourth Proportional to 19,861.26, 27,406.98 and 11,363.58

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Solution

The fourth proportional to 19,861.26, 27,406.98 and 11,363.58 is: 15,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.26 : 27,406.98 = 11,363.58 : x
  2. Step 2: Convert to fraction form
    19,861.26/27,406.98 = 11,363.58/x
  3. Step 3: Cross multiply
    19,861.26x = 27,406.98 × 11,363.58
  4. Step 4: Simplify right side
    19,861.26x = 311,441,409.79
  5. Step 5: Solve for x
    x = 311,441,409.79/19,861.26
  6. Step 6: Final answer
    x = 15,680.85

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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.