Home / 13,567.11-20,350.86-4,207.02

Finding the Fourth Proportional to 13,567.11, 20,350.86 and 4,207.02

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Solution

The fourth proportional to 13,567.11, 20,350.86 and 4,207.02 is: 6,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.11 : 20,350.86 = 4,207.02 : x
  2. Step 2: Convert to fraction form
    13,567.11/20,350.86 = 4,207.02/x
  3. Step 3: Cross multiply
    13,567.11x = 20,350.86 × 4,207.02
  4. Step 4: Simplify right side
    13,567.11x = 85,616,475.04
  5. Step 5: Solve for x
    x = 85,616,475.04/13,567.11
  6. Step 6: Final answer
    x = 6,310.59

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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.