Home / 13,791.08-20,685.40-5,023.64

Finding the Fourth Proportional to 13,791.08, 20,685.40 and 5,023.64

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Solution

The fourth proportional to 13,791.08, 20,685.40 and 5,023.64 is: 7,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.08 : 20,685.40 = 5,023.64 : x
  2. Step 2: Convert to fraction form
    13,791.08/20,685.40 = 5,023.64/x
  3. Step 3: Cross multiply
    13,791.08x = 20,685.40 × 5,023.64
  4. Step 4: Simplify right side
    13,791.08x = 103,916,002.86
  5. Step 5: Solve for x
    x = 103,916,002.86/13,791.08
  6. Step 6: Final answer
    x = 7,535.02

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1.5x scale

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.