Home / 15,853.58-23,783.10-5,324.61

Finding the Fourth Proportional to 15,853.58, 23,783.10 and 5,324.61

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Solution

The fourth proportional to 15,853.58, 23,783.10 and 5,324.61 is: 7,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.58 : 23,783.10 = 5,324.61 : x
  2. Step 2: Convert to fraction form
    15,853.58/23,783.10 = 5,324.61/x
  3. Step 3: Cross multiply
    15,853.58x = 23,783.10 × 5,324.61
  4. Step 4: Simplify right side
    15,853.58x = 126,635,732.09
  5. Step 5: Solve for x
    x = 126,635,732.09/15,853.58
  6. Step 6: Final answer
    x = 7,987.83

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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.