Home / 18,213.89-27,311.70-8,848.04

Finding the Fourth Proportional to 18,213.89, 27,311.70 and 8,848.04

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Solution

The fourth proportional to 18,213.89, 27,311.70 and 8,848.04 is: 13,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.89 : 27,311.70 = 8,848.04 : x
  2. Step 2: Convert to fraction form
    18,213.89/27,311.70 = 8,848.04/x
  3. Step 3: Cross multiply
    18,213.89x = 27,311.70 × 8,848.04
  4. Step 4: Simplify right side
    18,213.89x = 241,655,014.07
  5. Step 5: Solve for x
    x = 241,655,014.07/18,213.89
  6. Step 6: Final answer
    x = 13,267.62

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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.