Home / 18,213.87-27,329.45-10,832.88

Finding the Fourth Proportional to 18,213.87, 27,329.45 and 10,832.88

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Solution

The fourth proportional to 18,213.87, 27,329.45 and 10,832.88 is: 16,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.87 : 27,329.45 = 10,832.88 : x
  2. Step 2: Convert to fraction form
    18,213.87/27,329.45 = 10,832.88/x
  3. Step 3: Cross multiply
    18,213.87x = 27,329.45 × 10,832.88
  4. Step 4: Simplify right side
    18,213.87x = 296,056,598.15
  5. Step 5: Solve for x
    x = 296,056,598.15/18,213.87
  6. Step 6: Final answer
    x = 16,254.46

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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.