Home / 20,175.03-30,252.94-7,025.79

Finding the Fourth Proportional to 20,175.03, 30,252.94 and 7,025.79

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Solution

The fourth proportional to 20,175.03, 30,252.94 and 7,025.79 is: 10,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.03 : 30,252.94 = 7,025.79 : x
  2. Step 2: Convert to fraction form
    20,175.03/30,252.94 = 7,025.79/x
  3. Step 3: Cross multiply
    20,175.03x = 30,252.94 × 7,025.79
  4. Step 4: Simplify right side
    20,175.03x = 212,550,803.32
  5. Step 5: Solve for x
    x = 212,550,803.32/20,175.03
  6. Step 6: Final answer
    x = 10,535.34

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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.