Home / 22,216.56-30,641.94-15,500.04

Finding the Fourth Proportional to 22,216.56, 30,641.94 and 15,500.04

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Solution

The fourth proportional to 22,216.56, 30,641.94 and 15,500.04 is: 21,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.56 : 30,641.94 = 15,500.04 : x
  2. Step 2: Convert to fraction form
    22,216.56/30,641.94 = 15,500.04/x
  3. Step 3: Cross multiply
    22,216.56x = 30,641.94 × 15,500.04
  4. Step 4: Simplify right side
    22,216.56x = 474,951,295.68
  5. Step 5: Solve for x
    x = 474,951,295.68/22,216.56
  6. Step 6: Final answer
    x = 21,378.26

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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.