Home / 23,174.68-31,979.78-13,102.48

Finding the Fourth Proportional to 23,174.68, 31,979.78 and 13,102.48

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Solution

The fourth proportional to 23,174.68, 31,979.78 and 13,102.48 is: 18,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.68 : 31,979.78 = 13,102.48 : x
  2. Step 2: Convert to fraction form
    23,174.68/31,979.78 = 13,102.48/x
  3. Step 3: Cross multiply
    23,174.68x = 31,979.78 × 13,102.48
  4. Step 4: Simplify right side
    23,174.68x = 419,014,362.34
  5. Step 5: Solve for x
    x = 419,014,362.34/23,174.68
  6. Step 6: Final answer
    x = 18,080.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.