Home / 13,292.78-19,939.32-5,693.03

Finding the Fourth Proportional to 13,292.78, 19,939.32 and 5,693.03

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Solution

The fourth proportional to 13,292.78, 19,939.32 and 5,693.03 is: 8,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.78 : 19,939.32 = 5,693.03 : x
  2. Step 2: Convert to fraction form
    13,292.78/19,939.32 = 5,693.03/x
  3. Step 3: Cross multiply
    13,292.78x = 19,939.32 × 5,693.03
  4. Step 4: Simplify right side
    13,292.78x = 113,515,118.47
  5. Step 5: Solve for x
    x = 113,515,118.47/13,292.78
  6. Step 6: Final answer
    x = 8,539.61

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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.