Home / 16,654.08-24,989.22-7,878.54

Finding the Fourth Proportional to 16,654.08, 24,989.22 and 7,878.54

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Solution

The fourth proportional to 16,654.08, 24,989.22 and 7,878.54 is: 11,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654.08 : 24,989.22 = 7,878.54 : x
  2. Step 2: Convert to fraction form
    16,654.08/24,989.22 = 7,878.54/x
  3. Step 3: Cross multiply
    16,654.08x = 24,989.22 × 7,878.54
  4. Step 4: Simplify right side
    16,654.08x = 196,878,569.34
  5. Step 5: Solve for x
    x = 196,878,569.34/16,654.08
  6. Step 6: Final answer
    x = 11,821.64

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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.