Home / 19,723.35-27,218.38-11,226.13

Finding the Fourth Proportional to 19,723.35, 27,218.38 and 11,226.13

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Solution

The fourth proportional to 19,723.35, 27,218.38 and 11,226.13 is: 15,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.35 : 27,218.38 = 11,226.13 : x
  2. Step 2: Convert to fraction form
    19,723.35/27,218.38 = 11,226.13/x
  3. Step 3: Cross multiply
    19,723.35x = 27,218.38 × 11,226.13
  4. Step 4: Simplify right side
    19,723.35x = 305,556,976.16
  5. Step 5: Solve for x
    x = 305,556,976.16/19,723.35
  6. Step 6: Final answer
    x = 15,492.14

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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.