Home / 13,569.63-20,355.66-3,708.96

Finding the Fourth Proportional to 13,569.63, 20,355.66 and 3,708.96

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Solution

The fourth proportional to 13,569.63, 20,355.66 and 3,708.96 is: 5,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.63 : 20,355.66 = 3,708.96 : x
  2. Step 2: Convert to fraction form
    13,569.63/20,355.66 = 3,708.96/x
  3. Step 3: Cross multiply
    13,569.63x = 20,355.66 × 3,708.96
  4. Step 4: Simplify right side
    13,569.63x = 75,498,328.71
  5. Step 5: Solve for x
    x = 75,498,328.71/13,569.63
  6. Step 6: Final answer
    x = 5,563.77

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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.