Home / 13,941.47-20,906.75-5,054.69

Finding the Fourth Proportional to 13,941.47, 20,906.75 and 5,054.69

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Solution

The fourth proportional to 13,941.47, 20,906.75 and 5,054.69 is: 7,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.47 : 20,906.75 = 5,054.69 : x
  2. Step 2: Convert to fraction form
    13,941.47/20,906.75 = 5,054.69/x
  3. Step 3: Cross multiply
    13,941.47x = 20,906.75 × 5,054.69
  4. Step 4: Simplify right side
    13,941.47x = 105,677,035.62
  5. Step 5: Solve for x
    x = 105,677,035.62/13,941.47
  6. Step 6: Final answer
    x = 7,580.05

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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.