Home / 19,605.28-27,055.33-11,108.96

Finding the Fourth Proportional to 19,605.28, 27,055.33 and 11,108.96

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Solution

The fourth proportional to 19,605.28, 27,055.33 and 11,108.96 is: 15,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.28 : 27,055.33 = 11,108.96 : x
  2. Step 2: Convert to fraction form
    19,605.28/27,055.33 = 11,108.96/x
  3. Step 3: Cross multiply
    19,605.28x = 27,055.33 × 11,108.96
  4. Step 4: Simplify right side
    19,605.28x = 300,556,578.76
  5. Step 5: Solve for x
    x = 300,556,578.76/19,605.28
  6. Step 6: Final answer
    x = 15,330.39

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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.