Home / 15,968.56-22,027.96-9,998.96

Finding the Fourth Proportional to 15,968.56, 22,027.96 and 9,998.96

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Solution

The fourth proportional to 15,968.56, 22,027.96 and 9,998.96 is: 13,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.56 : 22,027.96 = 9,998.96 : x
  2. Step 2: Convert to fraction form
    15,968.56/22,027.96 = 9,998.96/x
  3. Step 3: Cross multiply
    15,968.56x = 22,027.96 × 9,998.96
  4. Step 4: Simplify right side
    15,968.56x = 220,256,690.92
  5. Step 5: Solve for x
    x = 220,256,690.92/15,968.56
  6. Step 6: Final answer
    x = 13,793.15

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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.