Home / 18,426.24-27,635.28-5,275.68

Finding the Fourth Proportional to 18,426.24, 27,635.28 and 5,275.68

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Solution

The fourth proportional to 18,426.24, 27,635.28 and 5,275.68 is: 7,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.24 : 27,635.28 = 5,275.68 : x
  2. Step 2: Convert to fraction form
    18,426.24/27,635.28 = 5,275.68/x
  3. Step 3: Cross multiply
    18,426.24x = 27,635.28 × 5,275.68
  4. Step 4: Simplify right side
    18,426.24x = 145,794,893.99
  5. Step 5: Solve for x
    x = 145,794,893.99/18,426.24
  6. Step 6: Final answer
    x = 7,912.35

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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.