Home / 17,520.48-26,283.69-7,659.54

Finding the Fourth Proportional to 17,520.48, 26,283.69 and 7,659.54

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Solution

The fourth proportional to 17,520.48, 26,283.69 and 7,659.54 is: 11,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.48 : 26,283.69 = 7,659.54 : x
  2. Step 2: Convert to fraction form
    17,520.48/26,283.69 = 7,659.54/x
  3. Step 3: Cross multiply
    17,520.48x = 26,283.69 × 7,659.54
  4. Step 4: Simplify right side
    17,520.48x = 201,320,974.90
  5. Step 5: Solve for x
    x = 201,320,974.90/17,520.48
  6. Step 6: Final answer
    x = 11,490.61

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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.