Home / 20,583.14-30,874.42-5,000.90

Finding the Fourth Proportional to 20,583.14, 30,874.42 and 5,000.90

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Solution

The fourth proportional to 20,583.14, 30,874.42 and 5,000.90 is: 7,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.14 : 30,874.42 = 5,000.90 : x
  2. Step 2: Convert to fraction form
    20,583.14/30,874.42 = 5,000.90/x
  3. Step 3: Cross multiply
    20,583.14x = 30,874.42 × 5,000.90
  4. Step 4: Simplify right side
    20,583.14x = 154,399,886.98
  5. Step 5: Solve for x
    x = 154,399,886.98/20,583.14
  6. Step 6: Final answer
    x = 7,501.28

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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.