Home / 17,490.54-26,221.22-8,713.38

Finding the Fourth Proportional to 17,490.54, 26,221.22 and 8,713.38

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Solution

The fourth proportional to 17,490.54, 26,221.22 and 8,713.38 is: 13,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.54 : 26,221.22 = 8,713.38 : x
  2. Step 2: Convert to fraction form
    17,490.54/26,221.22 = 8,713.38/x
  3. Step 3: Cross multiply
    17,490.54x = 26,221.22 × 8,713.38
  4. Step 4: Simplify right side
    17,490.54x = 228,475,453.92
  5. Step 5: Solve for x
    x = 228,475,453.92/17,490.54
  6. Step 6: Final answer
    x = 13,062.80

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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.