Home / 20,253.64-30,380.48-5,464.03

Finding the Fourth Proportional to 20,253.64, 30,380.48 and 5,464.03

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Solution

The fourth proportional to 20,253.64, 30,380.48 and 5,464.03 is: 8,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.64 : 30,380.48 = 5,464.03 : x
  2. Step 2: Convert to fraction form
    20,253.64/30,380.48 = 5,464.03/x
  3. Step 3: Cross multiply
    20,253.64x = 30,380.48 × 5,464.03
  4. Step 4: Simplify right side
    20,253.64x = 165,999,854.13
  5. Step 5: Solve for x
    x = 165,999,854.13/20,253.64
  6. Step 6: Final answer
    x = 8,196.05

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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.