Home / 18,293.50-27,439.62-7,756.74

Finding the Fourth Proportional to 18,293.50, 27,439.62 and 7,756.74

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Solution

The fourth proportional to 18,293.50, 27,439.62 and 7,756.74 is: 11,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.50 : 27,439.62 = 7,756.74 : x
  2. Step 2: Convert to fraction form
    18,293.50/27,439.62 = 7,756.74/x
  3. Step 3: Cross multiply
    18,293.50x = 27,439.62 × 7,756.74
  4. Step 4: Simplify right side
    18,293.50x = 212,841,998.04
  5. Step 5: Solve for x
    x = 212,841,998.04/18,293.50
  6. Step 6: Final answer
    x = 11,634.84

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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.