Home / 18,483.96-27,723.90-7,387.77

Finding the Fourth Proportional to 18,483.96, 27,723.90 and 7,387.77

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Solution

The fourth proportional to 18,483.96, 27,723.90 and 7,387.77 is: 11,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.96 : 27,723.90 = 7,387.77 : x
  2. Step 2: Convert to fraction form
    18,483.96/27,723.90 = 7,387.77/x
  3. Step 3: Cross multiply
    18,483.96x = 27,723.90 × 7,387.77
  4. Step 4: Simplify right side
    18,483.96x = 204,817,796.70
  5. Step 5: Solve for x
    x = 204,817,796.70/18,483.96
  6. Step 6: Final answer
    x = 11,080.84

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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.