Home / 25,820.96-38,719.75-9,181.44

Finding the Fourth Proportional to 25,820.96, 38,719.75 and 9,181.44

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Solution

The fourth proportional to 25,820.96, 38,719.75 and 9,181.44 is: 13,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.96 : 38,719.75 = 9,181.44 : x
  2. Step 2: Convert to fraction form
    25,820.96/38,719.75 = 9,181.44/x
  3. Step 3: Cross multiply
    25,820.96x = 38,719.75 × 9,181.44
  4. Step 4: Simplify right side
    25,820.96x = 355,503,061.44
  5. Step 5: Solve for x
    x = 355,503,061.44/25,820.96
  6. Step 6: Final answer
    x = 13,768.00

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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.