Home / 25,743.75-38,615.63-10,161.38

Finding the Fourth Proportional to 25,743.75, 38,615.63 and 10,161.38

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Solution

The fourth proportional to 25,743.75, 38,615.63 and 10,161.38 is: 15,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.75 : 38,615.63 = 10,161.38 : x
  2. Step 2: Convert to fraction form
    25,743.75/38,615.63 = 10,161.38/x
  3. Step 3: Cross multiply
    25,743.75x = 38,615.63 × 10,161.38
  4. Step 4: Simplify right side
    25,743.75x = 392,387,846.48
  5. Step 5: Solve for x
    x = 392,387,846.48/25,743.75
  6. Step 6: Final answer
    x = 15,242.06

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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.