Home / 23,195.72-31,975.16-18,151.18

Finding the Fourth Proportional to 23,195.72, 31,975.16 and 18,151.18

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Solution

The fourth proportional to 23,195.72, 31,975.16 and 18,151.18 is: 25,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195.72 : 31,975.16 = 18,151.18 : x
  2. Step 2: Convert to fraction form
    23,195.72/31,975.16 = 18,151.18/x
  3. Step 3: Cross multiply
    23,195.72x = 31,975.16 × 18,151.18
  4. Step 4: Simplify right side
    23,195.72x = 580,386,884.69
  5. Step 5: Solve for x
    x = 580,386,884.69/23,195.72
  6. Step 6: Final answer
    x = 25,021.29

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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.