Home / 16,851.33-25,298.87-12,958.47

Finding the Fourth Proportional to 16,851.33, 25,298.87 and 12,958.47

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Solution

The fourth proportional to 16,851.33, 25,298.87 and 12,958.47 is: 19,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.33 : 25,298.87 = 12,958.47 : x
  2. Step 2: Convert to fraction form
    16,851.33/25,298.87 = 12,958.47/x
  3. Step 3: Cross multiply
    16,851.33x = 25,298.87 × 12,958.47
  4. Step 4: Simplify right side
    16,851.33x = 327,834,583.14
  5. Step 5: Solve for x
    x = 327,834,583.14/16,851.33
  6. Step 6: Final answer
    x = 19,454.52

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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.