Home / 22,181.47-30,573.96-15,723.27

Finding the Fourth Proportional to 22,181.47, 30,573.96 and 15,723.27

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Solution

The fourth proportional to 22,181.47, 30,573.96 and 15,723.27 is: 21,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.47 : 30,573.96 = 15,723.27 : x
  2. Step 2: Convert to fraction form
    22,181.47/30,573.96 = 15,723.27/x
  3. Step 3: Cross multiply
    22,181.47x = 30,573.96 × 15,723.27
  4. Step 4: Simplify right side
    22,181.47x = 480,722,628.05
  5. Step 5: Solve for x
    x = 480,722,628.05/22,181.47
  6. Step 6: Final answer
    x = 21,672.26

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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.