Home / 13,983.76-20,975.82-5,552.34

Finding the Fourth Proportional to 13,983.76, 20,975.82 and 5,552.34

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Solution

The fourth proportional to 13,983.76, 20,975.82 and 5,552.34 is: 8,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.76 : 20,975.82 = 5,552.34 : x
  2. Step 2: Convert to fraction form
    13,983.76/20,975.82 = 5,552.34/x
  3. Step 3: Cross multiply
    13,983.76x = 20,975.82 × 5,552.34
  4. Step 4: Simplify right side
    13,983.76x = 116,464,884.42
  5. Step 5: Solve for x
    x = 116,464,884.42/13,983.76
  6. Step 6: Final answer
    x = 8,328.58

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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.