Home / 20,057.19-30,086.18-7,583.09

Finding the Fourth Proportional to 20,057.19, 30,086.18 and 7,583.09

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Solution

The fourth proportional to 20,057.19, 30,086.18 and 7,583.09 is: 11,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.19 : 30,086.18 = 7,583.09 : x
  2. Step 2: Convert to fraction form
    20,057.19/30,086.18 = 7,583.09/x
  3. Step 3: Cross multiply
    20,057.19x = 30,086.18 × 7,583.09
  4. Step 4: Simplify right side
    20,057.19x = 228,146,022.35
  5. Step 5: Solve for x
    x = 228,146,022.35/20,057.19
  6. Step 6: Final answer
    x = 11,374.77

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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.