Home / 13,465.08-20,200.86-5,676.12

Finding the Fourth Proportional to 13,465.08, 20,200.86 and 5,676.12

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Solution

The fourth proportional to 13,465.08, 20,200.86 and 5,676.12 is: 8,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.08 : 20,200.86 = 5,676.12 : x
  2. Step 2: Convert to fraction form
    13,465.08/20,200.86 = 5,676.12/x
  3. Step 3: Cross multiply
    13,465.08x = 20,200.86 × 5,676.12
  4. Step 4: Simplify right side
    13,465.08x = 114,662,505.46
  5. Step 5: Solve for x
    x = 114,662,505.46/13,465.08
  6. Step 6: Final answer
    x = 8,515.55

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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.