Home / 17,939.57-26,909.37-8,577.38

Finding the Fourth Proportional to 17,939.57, 26,909.37 and 8,577.38

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Solution

The fourth proportional to 17,939.57, 26,909.37 and 8,577.38 is: 12,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.57 : 26,909.37 = 8,577.38 : x
  2. Step 2: Convert to fraction form
    17,939.57/26,909.37 = 8,577.38/x
  3. Step 3: Cross multiply
    17,939.57x = 26,909.37 × 8,577.38
  4. Step 4: Simplify right side
    17,939.57x = 230,811,892.05
  5. Step 5: Solve for x
    x = 230,811,892.05/17,939.57
  6. Step 6: Final answer
    x = 12,866.08

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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.