Home / 14,207.78-19,608.62-8,160.41

Finding the Fourth Proportional to 14,207.78, 19,608.62 and 8,160.41

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Solution

The fourth proportional to 14,207.78, 19,608.62 and 8,160.41 is: 11,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.78 : 19,608.62 = 8,160.41 : x
  2. Step 2: Convert to fraction form
    14,207.78/19,608.62 = 8,160.41/x
  3. Step 3: Cross multiply
    14,207.78x = 19,608.62 × 8,160.41
  4. Step 4: Simplify right side
    14,207.78x = 160,014,239.89
  5. Step 5: Solve for x
    x = 160,014,239.89/14,207.78
  6. Step 6: Final answer
    x = 11,262.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.