Home / 20,066.41-30,083.17-7,579.34

Finding the Fourth Proportional to 20,066.41, 30,083.17 and 7,579.34

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Solution

The fourth proportional to 20,066.41, 30,083.17 and 7,579.34 is: 11,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.41 : 30,083.17 = 7,579.34 : x
  2. Step 2: Convert to fraction form
    20,066.41/30,083.17 = 7,579.34/x
  3. Step 3: Cross multiply
    20,066.41x = 30,083.17 × 7,579.34
  4. Step 4: Simplify right side
    20,066.41x = 228,010,573.71
  5. Step 5: Solve for x
    x = 228,010,573.71/20,066.41
  6. Step 6: Final answer
    x = 11,362.80

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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.