Home / 13,695.60-20,543.45-3,834.93

Finding the Fourth Proportional to 13,695.60, 20,543.45 and 3,834.93

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Solution

The fourth proportional to 13,695.60, 20,543.45 and 3,834.93 is: 5,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.60 : 20,543.45 = 3,834.93 : x
  2. Step 2: Convert to fraction form
    13,695.60/20,543.45 = 3,834.93/x
  3. Step 3: Cross multiply
    13,695.60x = 20,543.45 × 3,834.93
  4. Step 4: Simplify right side
    13,695.60x = 78,782,673.53
  5. Step 5: Solve for x
    x = 78,782,673.53/13,695.60
  6. Step 6: Final answer
    x = 5,752.41

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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.