Home / 20,236.08-30,343.59-7,752.36

Finding the Fourth Proportional to 20,236.08, 30,343.59 and 7,752.36

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Solution

The fourth proportional to 20,236.08, 30,343.59 and 7,752.36 is: 11,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.08 : 30,343.59 = 7,752.36 : x
  2. Step 2: Convert to fraction form
    20,236.08/30,343.59 = 7,752.36/x
  3. Step 3: Cross multiply
    20,236.08x = 30,343.59 × 7,752.36
  4. Step 4: Simplify right side
    20,236.08x = 235,234,433.37
  5. Step 5: Solve for x
    x = 235,234,433.37/20,236.08
  6. Step 6: Final answer
    x = 11,624.51

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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.