Home / 12,658.72-18,975.60-4,444.96

Finding the Fourth Proportional to 12,658.72, 18,975.60 and 4,444.96

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Solution

The fourth proportional to 12,658.72, 18,975.60 and 4,444.96 is: 6,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.72 : 18,975.60 = 4,444.96 : x
  2. Step 2: Convert to fraction form
    12,658.72/18,975.60 = 4,444.96/x
  3. Step 3: Cross multiply
    12,658.72x = 18,975.60 × 4,444.96
  4. Step 4: Simplify right side
    12,658.72x = 84,345,782.98
  5. Step 5: Solve for x
    x = 84,345,782.98/12,658.72
  6. Step 6: Final answer
    x = 6,663.06

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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.