Home / 13,651.66-20,483.25-5,756.14

Finding the Fourth Proportional to 13,651.66, 20,483.25 and 5,756.14

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Solution

The fourth proportional to 13,651.66, 20,483.25 and 5,756.14 is: 8,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.66 : 20,483.25 = 5,756.14 : x
  2. Step 2: Convert to fraction form
    13,651.66/20,483.25 = 5,756.14/x
  3. Step 3: Cross multiply
    13,651.66x = 20,483.25 × 5,756.14
  4. Step 4: Simplify right side
    13,651.66x = 117,904,454.66
  5. Step 5: Solve for x
    x = 117,904,454.66/13,651.66
  6. Step 6: Final answer
    x = 8,636.64

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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.