Home / 19,958.89-27,543.61-11,006.17

Finding the Fourth Proportional to 19,958.89, 27,543.61 and 11,006.17

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Solution

The fourth proportional to 19,958.89, 27,543.61 and 11,006.17 is: 15,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.89 : 27,543.61 = 11,006.17 : x
  2. Step 2: Convert to fraction form
    19,958.89/27,543.61 = 11,006.17/x
  3. Step 3: Cross multiply
    19,958.89x = 27,543.61 × 11,006.17
  4. Step 4: Simplify right side
    19,958.89x = 303,149,654.07
  5. Step 5: Solve for x
    x = 303,149,654.07/19,958.89
  6. Step 6: Final answer
    x = 15,188.70

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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.