Home / 29,148.48-43,728.92-9,425.54

Finding the Fourth Proportional to 29,148.48, 43,728.92 and 9,425.54

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Solution

The fourth proportional to 29,148.48, 43,728.92 and 9,425.54 is: 14,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.48 : 43,728.92 = 9,425.54 : x
  2. Step 2: Convert to fraction form
    29,148.48/43,728.92 = 9,425.54/x
  3. Step 3: Cross multiply
    29,148.48x = 43,728.92 × 9,425.54
  4. Step 4: Simplify right side
    29,148.48x = 412,168,418.84
  5. Step 5: Solve for x
    x = 412,168,418.84/29,148.48
  6. Step 6: Final answer
    x = 14,140.31

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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.