Home / 20,333.45-30,501.99-5,542.44

Finding the Fourth Proportional to 20,333.45, 30,501.99 and 5,542.44

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Solution

The fourth proportional to 20,333.45, 30,501.99 and 5,542.44 is: 8,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.45 : 30,501.99 = 5,542.44 : x
  2. Step 2: Convert to fraction form
    20,333.45/30,501.99 = 5,542.44/x
  3. Step 3: Cross multiply
    20,333.45x = 30,501.99 × 5,542.44
  4. Step 4: Simplify right side
    20,333.45x = 169,055,449.46
  5. Step 5: Solve for x
    x = 169,055,449.46/20,333.45
  6. Step 6: Final answer
    x = 8,314.16

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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.