Home / 17,281.48-25,911.78-7,274.20

Finding the Fourth Proportional to 17,281.48, 25,911.78 and 7,274.20

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Solution

The fourth proportional to 17,281.48, 25,911.78 and 7,274.20 is: 10,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.48 : 25,911.78 = 7,274.20 : x
  2. Step 2: Convert to fraction form
    17,281.48/25,911.78 = 7,274.20/x
  3. Step 3: Cross multiply
    17,281.48x = 25,911.78 × 7,274.20
  4. Step 4: Simplify right side
    17,281.48x = 188,487,470.08
  5. Step 5: Solve for x
    x = 188,487,470.08/17,281.48
  6. Step 6: Final answer
    x = 10,906.91

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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.