Home / 19,958.60-27,543.06-11,006.42

Finding the Fourth Proportional to 19,958.60, 27,543.06 and 11,006.42

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Solution

The fourth proportional to 19,958.60, 27,543.06 and 11,006.42 is: 15,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.60 : 27,543.06 = 11,006.42 : x
  2. Step 2: Convert to fraction form
    19,958.60/27,543.06 = 11,006.42/x
  3. Step 3: Cross multiply
    19,958.60x = 27,543.06 × 11,006.42
  4. Step 4: Simplify right side
    19,958.60x = 303,150,486.45
  5. Step 5: Solve for x
    x = 303,150,486.45/19,958.60
  6. Step 6: Final answer
    x = 15,188.97

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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.