Home / 13,355.76-20,032.11-3,495.99

Finding the Fourth Proportional to 13,355.76, 20,032.11 and 3,495.99

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Solution

The fourth proportional to 13,355.76, 20,032.11 and 3,495.99 is: 5,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.76 : 20,032.11 = 3,495.99 : x
  2. Step 2: Convert to fraction form
    13,355.76/20,032.11 = 3,495.99/x
  3. Step 3: Cross multiply
    13,355.76x = 20,032.11 × 3,495.99
  4. Step 4: Simplify right side
    13,355.76x = 70,032,056.24
  5. Step 5: Solve for x
    x = 70,032,056.24/13,355.76
  6. Step 6: Final answer
    x = 5,243.58

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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.