Home / 16,766.56-25,126-12,349.28

Finding the Fourth Proportional to 16,766.56, 25,126 and 12,349.28

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Solution

The fourth proportional to 16,766.56, 25,126 and 12,349.28 is: 18,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.56 : 25,126 = 12,349.28 : x
  2. Step 2: Convert to fraction form
    16,766.56/25,126 = 12,349.28/x
  3. Step 3: Cross multiply
    16,766.56x = 25,126 × 12,349.28
  4. Step 4: Simplify right side
    16,766.56x = 310,288,009.28
  5. Step 5: Solve for x
    x = 310,288,009.28/16,766.56
  6. Step 6: Final answer
    x = 18,506.36

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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.