Home / 20,568.48-30,853.87-5,776.25

Finding the Fourth Proportional to 20,568.48, 30,853.87 and 5,776.25

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Solution

The fourth proportional to 20,568.48, 30,853.87 and 5,776.25 is: 8,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.48 : 30,853.87 = 5,776.25 : x
  2. Step 2: Convert to fraction form
    20,568.48/30,853.87 = 5,776.25/x
  3. Step 3: Cross multiply
    20,568.48x = 30,853.87 × 5,776.25
  4. Step 4: Simplify right side
    20,568.48x = 178,219,530.37
  5. Step 5: Solve for x
    x = 178,219,530.37/20,568.48
  6. Step 6: Final answer
    x = 8,664.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.