Home / 18,250.37-27,376.60-5,102.72

Finding the Fourth Proportional to 18,250.37, 27,376.60 and 5,102.72

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Solution

The fourth proportional to 18,250.37, 27,376.60 and 5,102.72 is: 7,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.37 : 27,376.60 = 5,102.72 : x
  2. Step 2: Convert to fraction form
    18,250.37/27,376.60 = 5,102.72/x
  3. Step 3: Cross multiply
    18,250.37x = 27,376.60 × 5,102.72
  4. Step 4: Simplify right side
    18,250.37x = 139,695,124.35
  5. Step 5: Solve for x
    x = 139,695,124.35/18,250.37
  6. Step 6: Final answer
    x = 7,654.37

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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.