Home / 12,764.64-19,138.60-4,444

Finding the Fourth Proportional to 12,764.64, 19,138.60 and 4,444

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Solution

The fourth proportional to 12,764.64, 19,138.60 and 4,444 is: 6,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.64 : 19,138.60 = 4,444 : x
  2. Step 2: Convert to fraction form
    12,764.64/19,138.60 = 4,444/x
  3. Step 3: Cross multiply
    12,764.64x = 19,138.60 × 4,444
  4. Step 4: Simplify right side
    12,764.64x = 85,051,938.40
  5. Step 5: Solve for x
    x = 85,051,938.40/12,764.64
  6. Step 6: Final answer
    x = 6,663.09

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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.