Home / 13,567.08-20,353.80-4,206.60

Finding the Fourth Proportional to 13,567.08, 20,353.80 and 4,206.60

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Solution

The fourth proportional to 13,567.08, 20,353.80 and 4,206.60 is: 6,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.08 : 20,353.80 = 4,206.60 : x
  2. Step 2: Convert to fraction form
    13,567.08/20,353.80 = 4,206.60/x
  3. Step 3: Cross multiply
    13,567.08x = 20,353.80 × 4,206.60
  4. Step 4: Simplify right side
    13,567.08x = 85,620,295.08
  5. Step 5: Solve for x
    x = 85,620,295.08/13,567.08
  6. Step 6: Final answer
    x = 6,310.89

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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.