Home / 13,946.97-20,915-5,060.19

Finding the Fourth Proportional to 13,946.97, 20,915 and 5,060.19

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Solution

The fourth proportional to 13,946.97, 20,915 and 5,060.19 is: 7,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.97 : 20,915 = 5,060.19 : x
  2. Step 2: Convert to fraction form
    13,946.97/20,915 = 5,060.19/x
  3. Step 3: Cross multiply
    13,946.97x = 20,915 × 5,060.19
  4. Step 4: Simplify right side
    13,946.97x = 105,833,873.85
  5. Step 5: Solve for x
    x = 105,833,873.85/13,946.97
  6. Step 6: Final answer
    x = 7,588.31

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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.