Home / 18,208.88-27,313.33-10,412.22

Finding the Fourth Proportional to 18,208.88, 27,313.33 and 10,412.22

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Solution

The fourth proportional to 18,208.88, 27,313.33 and 10,412.22 is: 15,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.88 : 27,313.33 = 10,412.22 : x
  2. Step 2: Convert to fraction form
    18,208.88/27,313.33 = 10,412.22/x
  3. Step 3: Cross multiply
    18,208.88x = 27,313.33 × 10,412.22
  4. Step 4: Simplify right side
    18,208.88x = 284,392,374.86
  5. Step 5: Solve for x
    x = 284,392,374.86/18,208.88
  6. Step 6: Final answer
    x = 15,618.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.