Home / 18,457.08-27,685.76-7,366.56

Finding the Fourth Proportional to 18,457.08, 27,685.76 and 7,366.56

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Solution

The fourth proportional to 18,457.08, 27,685.76 and 7,366.56 is: 11,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.08 : 27,685.76 = 7,366.56 : x
  2. Step 2: Convert to fraction form
    18,457.08/27,685.76 = 7,366.56/x
  3. Step 3: Cross multiply
    18,457.08x = 27,685.76 × 7,366.56
  4. Step 4: Simplify right side
    18,457.08x = 203,948,775.35
  5. Step 5: Solve for x
    x = 203,948,775.35/18,457.08
  6. Step 6: Final answer
    x = 11,049.89

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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.