Home / 19,914.42-27,478.68-11,414.98

Finding the Fourth Proportional to 19,914.42, 27,478.68 and 11,414.98

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Solution

The fourth proportional to 19,914.42, 27,478.68 and 11,414.98 is: 15,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.42 : 27,478.68 = 11,414.98 : x
  2. Step 2: Convert to fraction form
    19,914.42/27,478.68 = 11,414.98/x
  3. Step 3: Cross multiply
    19,914.42x = 27,478.68 × 11,414.98
  4. Step 4: Simplify right side
    19,914.42x = 313,668,445.23
  5. Step 5: Solve for x
    x = 313,668,445.23/19,914.42
  6. Step 6: Final answer
    x = 15,750.82

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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.