Home / 19,951.07-27,531.24-10,998.11

Finding the Fourth Proportional to 19,951.07, 27,531.24 and 10,998.11

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Solution

The fourth proportional to 19,951.07, 27,531.24 and 10,998.11 is: 15,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.07 : 27,531.24 = 10,998.11 : x
  2. Step 2: Convert to fraction form
    19,951.07/27,531.24 = 10,998.11/x
  3. Step 3: Cross multiply
    19,951.07x = 27,531.24 × 10,998.11
  4. Step 4: Simplify right side
    19,951.07x = 302,791,605.96
  5. Step 5: Solve for x
    x = 302,791,605.96/19,951.07
  6. Step 6: Final answer
    x = 15,176.71

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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.