Home / 15,828.44-23,731.72-6,939.48

Finding the Fourth Proportional to 15,828.44, 23,731.72 and 6,939.48

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Solution

The fourth proportional to 15,828.44, 23,731.72 and 6,939.48 is: 10,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.44 : 23,731.72 = 6,939.48 : x
  2. Step 2: Convert to fraction form
    15,828.44/23,731.72 = 6,939.48/x
  3. Step 3: Cross multiply
    15,828.44x = 23,731.72 × 6,939.48
  4. Step 4: Simplify right side
    15,828.44x = 164,685,796.31
  5. Step 5: Solve for x
    x = 164,685,796.31/15,828.44
  6. Step 6: Final answer
    x = 10,404.42

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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.