Home / 22,211.37-30,637.31-13,251.96

Finding the Fourth Proportional to 22,211.37, 30,637.31 and 13,251.96

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Solution

The fourth proportional to 22,211.37, 30,637.31 and 13,251.96 is: 18,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.37 : 30,637.31 = 13,251.96 : x
  2. Step 2: Convert to fraction form
    22,211.37/30,637.31 = 13,251.96/x
  3. Step 3: Cross multiply
    22,211.37x = 30,637.31 × 13,251.96
  4. Step 4: Simplify right side
    22,211.37x = 406,004,340.37
  5. Step 5: Solve for x
    x = 406,004,340.37/22,211.37
  6. Step 6: Final answer
    x = 18,279.12

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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.