Home / 22,210.83-30,608.55-15,912.27

Finding the Fourth Proportional to 22,210.83, 30,608.55 and 15,912.27

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Solution

The fourth proportional to 22,210.83, 30,608.55 and 15,912.27 is: 21,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.83 : 30,608.55 = 15,912.27 : x
  2. Step 2: Convert to fraction form
    22,210.83/30,608.55 = 15,912.27/x
  3. Step 3: Cross multiply
    22,210.83x = 30,608.55 × 15,912.27
  4. Step 4: Simplify right side
    22,210.83x = 487,051,511.91
  5. Step 5: Solve for x
    x = 487,051,511.91/22,210.83
  6. Step 6: Final answer
    x = 21,928.56

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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.