Home / 20,583.10-30,874.56-5,000.77

Finding the Fourth Proportional to 20,583.10, 30,874.56 and 5,000.77

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Solution

The fourth proportional to 20,583.10, 30,874.56 and 5,000.77 is: 7,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.10 : 30,874.56 = 5,000.77 : x
  2. Step 2: Convert to fraction form
    20,583.10/30,874.56 = 5,000.77/x
  3. Step 3: Cross multiply
    20,583.10x = 30,874.56 × 5,000.77
  4. Step 4: Simplify right side
    20,583.10x = 154,396,573.41
  5. Step 5: Solve for x
    x = 154,396,573.41/20,583.10
  6. Step 6: Final answer
    x = 7,501.13

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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.