Home / 17,906.24-26,859.54-5,426.30

Finding the Fourth Proportional to 17,906.24, 26,859.54 and 5,426.30

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Solution

The fourth proportional to 17,906.24, 26,859.54 and 5,426.30 is: 8,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.24 : 26,859.54 = 5,426.30 : x
  2. Step 2: Convert to fraction form
    17,906.24/26,859.54 = 5,426.30/x
  3. Step 3: Cross multiply
    17,906.24x = 26,859.54 × 5,426.30
  4. Step 4: Simplify right side
    17,906.24x = 145,747,921.90
  5. Step 5: Solve for x
    x = 145,747,921.90/17,906.24
  6. Step 6: Final answer
    x = 8,139.50

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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.