Home / 13,564.53-20,338.95-4,202.04

Finding the Fourth Proportional to 13,564.53, 20,338.95 and 4,202.04

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Solution

The fourth proportional to 13,564.53, 20,338.95 and 4,202.04 is: 6,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.53 : 20,338.95 = 4,202.04 : x
  2. Step 2: Convert to fraction form
    13,564.53/20,338.95 = 4,202.04/x
  3. Step 3: Cross multiply
    13,564.53x = 20,338.95 × 4,202.04
  4. Step 4: Simplify right side
    13,564.53x = 85,465,081.46
  5. Step 5: Solve for x
    x = 85,465,081.46/13,564.53
  6. Step 6: Final answer
    x = 6,300.63

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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.