Home / 20,566.96-30,809.31-9,458.44

Finding the Fourth Proportional to 20,566.96, 30,809.31 and 9,458.44

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Solution

The fourth proportional to 20,566.96, 30,809.31 and 9,458.44 is: 14,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.96 : 30,809.31 = 9,458.44 : x
  2. Step 2: Convert to fraction form
    20,566.96/30,809.31 = 9,458.44/x
  3. Step 3: Cross multiply
    20,566.96x = 30,809.31 × 9,458.44
  4. Step 4: Simplify right side
    20,566.96x = 291,408,010.08
  5. Step 5: Solve for x
    x = 291,408,010.08/20,566.96
  6. Step 6: Final answer
    x = 14,168.74

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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.