Home / 19,958.84-27,543.40-11,006.70

Finding the Fourth Proportional to 19,958.84, 27,543.40 and 11,006.70

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Solution

The fourth proportional to 19,958.84, 27,543.40 and 11,006.70 is: 15,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.84 : 27,543.40 = 11,006.70 : x
  2. Step 2: Convert to fraction form
    19,958.84/27,543.40 = 11,006.70/x
  3. Step 3: Cross multiply
    19,958.84x = 27,543.40 × 11,006.70
  4. Step 4: Simplify right side
    19,958.84x = 303,161,940.78
  5. Step 5: Solve for x
    x = 303,161,940.78/19,958.84
  6. Step 6: Final answer
    x = 15,189.36

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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.