Home / 25,464.78-38,197.02-13,851.81

Finding the Fourth Proportional to 25,464.78, 38,197.02 and 13,851.81

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Solution

The fourth proportional to 25,464.78, 38,197.02 and 13,851.81 is: 20,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.78 : 38,197.02 = 13,851.81 : x
  2. Step 2: Convert to fraction form
    25,464.78/38,197.02 = 13,851.81/x
  3. Step 3: Cross multiply
    25,464.78x = 38,197.02 × 13,851.81
  4. Step 4: Simplify right side
    25,464.78x = 529,097,863.61
  5. Step 5: Solve for x
    x = 529,097,863.61/25,464.78
  6. Step 6: Final answer
    x = 20,777.63

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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.