Home / 13,971.83-20,960.49-4,611.47

Finding the Fourth Proportional to 13,971.83, 20,960.49 and 4,611.47

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Solution

The fourth proportional to 13,971.83, 20,960.49 and 4,611.47 is: 6,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.83 : 20,960.49 = 4,611.47 : x
  2. Step 2: Convert to fraction form
    13,971.83/20,960.49 = 4,611.47/x
  3. Step 3: Cross multiply
    13,971.83x = 20,960.49 × 4,611.47
  4. Step 4: Simplify right side
    13,971.83x = 96,658,670.82
  5. Step 5: Solve for x
    x = 96,658,670.82/13,971.83
  6. Step 6: Final answer
    x = 6,918.11

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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.