Home / 18,729.16-28,090.46-6,247.73

Finding the Fourth Proportional to 18,729.16, 28,090.46 and 6,247.73

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Solution

The fourth proportional to 18,729.16, 28,090.46 and 6,247.73 is: 9,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.16 : 28,090.46 = 6,247.73 : x
  2. Step 2: Convert to fraction form
    18,729.16/28,090.46 = 6,247.73/x
  3. Step 3: Cross multiply
    18,729.16x = 28,090.46 × 6,247.73
  4. Step 4: Simplify right side
    18,729.16x = 175,501,695.50
  5. Step 5: Solve for x
    x = 175,501,695.50/18,729.16
  6. Step 6: Final answer
    x = 9,370.51

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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.