Home / 18,405.48-27,612.63-5,926.68

Finding the Fourth Proportional to 18,405.48, 27,612.63 and 5,926.68

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Solution

The fourth proportional to 18,405.48, 27,612.63 and 5,926.68 is: 8,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.48 : 27,612.63 = 5,926.68 : x
  2. Step 2: Convert to fraction form
    18,405.48/27,612.63 = 5,926.68/x
  3. Step 3: Cross multiply
    18,405.48x = 27,612.63 × 5,926.68
  4. Step 4: Simplify right side
    18,405.48x = 163,651,221.97
  5. Step 5: Solve for x
    x = 163,651,221.97/18,405.48
  6. Step 6: Final answer
    x = 8,891.44

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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.