Home / 18,405.42-27,612.53-5,926.61

Finding the Fourth Proportional to 18,405.42, 27,612.53 and 5,926.61

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Solution

The fourth proportional to 18,405.42, 27,612.53 and 5,926.61 is: 8,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.42 : 27,612.53 = 5,926.61 : x
  2. Step 2: Convert to fraction form
    18,405.42/27,612.53 = 5,926.61/x
  3. Step 3: Cross multiply
    18,405.42x = 27,612.53 × 5,926.61
  4. Step 4: Simplify right side
    18,405.42x = 163,648,780.27
  5. Step 5: Solve for x
    x = 163,648,780.27/18,405.42
  6. Step 6: Final answer
    x = 8,891.34

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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.