Home / 25,402.44-38,106.36-7,873.64

Finding the Fourth Proportional to 25,402.44, 38,106.36 and 7,873.64

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Solution

The fourth proportional to 25,402.44, 38,106.36 and 7,873.64 is: 11,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.44 : 38,106.36 = 7,873.64 : x
  2. Step 2: Convert to fraction form
    25,402.44/38,106.36 = 7,873.64/x
  3. Step 3: Cross multiply
    25,402.44x = 38,106.36 × 7,873.64
  4. Step 4: Simplify right side
    25,402.44x = 300,035,760.35
  5. Step 5: Solve for x
    x = 300,035,760.35/25,402.44
  6. Step 6: Final answer
    x = 11,811.30

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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.