Home / 18,165.46-27,253.40-7,630.06

Finding the Fourth Proportional to 18,165.46, 27,253.40 and 7,630.06

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Solution

The fourth proportional to 18,165.46, 27,253.40 and 7,630.06 is: 11,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.46 : 27,253.40 = 7,630.06 : x
  2. Step 2: Convert to fraction form
    18,165.46/27,253.40 = 7,630.06/x
  3. Step 3: Cross multiply
    18,165.46x = 27,253.40 × 7,630.06
  4. Step 4: Simplify right side
    18,165.46x = 207,945,154.88
  5. Step 5: Solve for x
    x = 207,945,154.88/18,165.46
  6. Step 6: Final answer
    x = 11,447.28

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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.