Home / 18,331.10-27,504.84-10,539.92

Finding the Fourth Proportional to 18,331.10, 27,504.84 and 10,539.92

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Solution

The fourth proportional to 18,331.10, 27,504.84 and 10,539.92 is: 15,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.10 : 27,504.84 = 10,539.92 : x
  2. Step 2: Convert to fraction form
    18,331.10/27,504.84 = 10,539.92/x
  3. Step 3: Cross multiply
    18,331.10x = 27,504.84 × 10,539.92
  4. Step 4: Simplify right side
    18,331.10x = 289,898,813.21
  5. Step 5: Solve for x
    x = 289,898,813.21/18,331.10
  6. Step 6: Final answer
    x = 15,814.59

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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.