Home / 25,100.80-37,657.60-17,719.64

Finding the Fourth Proportional to 25,100.80, 37,657.60 and 17,719.64

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Solution

The fourth proportional to 25,100.80, 37,657.60 and 17,719.64 is: 26,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.80 : 37,657.60 = 17,719.64 : x
  2. Step 2: Convert to fraction form
    25,100.80/37,657.60 = 17,719.64/x
  3. Step 3: Cross multiply
    25,100.80x = 37,657.60 × 17,719.64
  4. Step 4: Simplify right side
    25,100.80x = 667,279,115.26
  5. Step 5: Solve for x
    x = 667,279,115.26/25,100.80
  6. Step 6: Final answer
    x = 26,583.98

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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.