Home / 13,575.23-20,362.83-3,714.59

Finding the Fourth Proportional to 13,575.23, 20,362.83 and 3,714.59

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Solution

The fourth proportional to 13,575.23, 20,362.83 and 3,714.59 is: 5,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.23 : 20,362.83 = 3,714.59 : x
  2. Step 2: Convert to fraction form
    13,575.23/20,362.83 = 3,714.59/x
  3. Step 3: Cross multiply
    13,575.23x = 20,362.83 × 3,714.59
  4. Step 4: Simplify right side
    13,575.23x = 75,639,601.67
  5. Step 5: Solve for x
    x = 75,639,601.67/13,575.23
  6. Step 6: Final answer
    x = 5,571.88

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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.