Home / 13,567.80-20,351.68-3,706.86

Finding the Fourth Proportional to 13,567.80, 20,351.68 and 3,706.86

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Solution

The fourth proportional to 13,567.80, 20,351.68 and 3,706.86 is: 5,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.80 : 20,351.68 = 3,706.86 : x
  2. Step 2: Convert to fraction form
    13,567.80/20,351.68 = 3,706.86/x
  3. Step 3: Cross multiply
    13,567.80x = 20,351.68 × 3,706.86
  4. Step 4: Simplify right side
    13,567.80x = 75,440,828.52
  5. Step 5: Solve for x
    x = 75,440,828.52/13,567.80
  6. Step 6: Final answer
    x = 5,560.28

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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.