Home / 13,690.93-20,538.51-5,793.49

Finding the Fourth Proportional to 13,690.93, 20,538.51 and 5,793.49

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Solution

The fourth proportional to 13,690.93, 20,538.51 and 5,793.49 is: 8,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690.93 : 20,538.51 = 5,793.49 : x
  2. Step 2: Convert to fraction form
    13,690.93/20,538.51 = 5,793.49/x
  3. Step 3: Cross multiply
    13,690.93x = 20,538.51 × 5,793.49
  4. Step 4: Simplify right side
    13,690.93x = 118,989,520.64
  5. Step 5: Solve for x
    x = 118,989,520.64/13,690.93
  6. Step 6: Final answer
    x = 8,691.12

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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.