Home / 22,244.96-30,723.24-15,159.20

Finding the Fourth Proportional to 22,244.96, 30,723.24 and 15,159.20

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Solution

The fourth proportional to 22,244.96, 30,723.24 and 15,159.20 is: 20,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.96 : 30,723.24 = 15,159.20 : x
  2. Step 2: Convert to fraction form
    22,244.96/30,723.24 = 15,159.20/x
  3. Step 3: Cross multiply
    22,244.96x = 30,723.24 × 15,159.20
  4. Step 4: Simplify right side
    22,244.96x = 465,739,739.81
  5. Step 5: Solve for x
    x = 465,739,739.81/22,244.96
  6. Step 6: Final answer
    x = 20,936.87

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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.