Home / 13,704.82-20,565.47-5,913.63

Finding the Fourth Proportional to 13,704.82, 20,565.47 and 5,913.63

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Solution

The fourth proportional to 13,704.82, 20,565.47 and 5,913.63 is: 8,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.82 : 20,565.47 = 5,913.63 : x
  2. Step 2: Convert to fraction form
    13,704.82/20,565.47 = 5,913.63/x
  3. Step 3: Cross multiply
    13,704.82x = 20,565.47 × 5,913.63
  4. Step 4: Simplify right side
    13,704.82x = 121,616,636.35
  5. Step 5: Solve for x
    x = 121,616,636.35/13,704.82
  6. Step 6: Final answer
    x = 8,874.00

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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.