Home / 18,679.40-25,777.22-10,181.60

Finding the Fourth Proportional to 18,679.40, 25,777.22 and 10,181.60

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Solution

The fourth proportional to 18,679.40, 25,777.22 and 10,181.60 is: 14,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.40 : 25,777.22 = 10,181.60 : x
  2. Step 2: Convert to fraction form
    18,679.40/25,777.22 = 10,181.60/x
  3. Step 3: Cross multiply
    18,679.40x = 25,777.22 × 10,181.60
  4. Step 4: Simplify right side
    18,679.40x = 262,453,343.15
  5. Step 5: Solve for x
    x = 262,453,343.15/18,679.40
  6. Step 6: Final answer
    x = 14,050.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.