Home / 13,701.63-20,552.51-3,313.38

Finding the Fourth Proportional to 13,701.63, 20,552.51 and 3,313.38

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Solution

The fourth proportional to 13,701.63, 20,552.51 and 3,313.38 is: 4,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.63 : 20,552.51 = 3,313.38 : x
  2. Step 2: Convert to fraction form
    13,701.63/20,552.51 = 3,313.38/x
  3. Step 3: Cross multiply
    13,701.63x = 20,552.51 × 3,313.38
  4. Step 4: Simplify right side
    13,701.63x = 68,098,275.58
  5. Step 5: Solve for x
    x = 68,098,275.58/13,701.63
  6. Step 6: Final answer
    x = 4,970.09

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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.