Home / 13,567.14-20,347.43-3,706.47

Finding the Fourth Proportional to 13,567.14, 20,347.43 and 3,706.47

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Solution

The fourth proportional to 13,567.14, 20,347.43 and 3,706.47 is: 5,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.14 : 20,347.43 = 3,706.47 : x
  2. Step 2: Convert to fraction form
    13,567.14/20,347.43 = 3,706.47/x
  3. Step 3: Cross multiply
    13,567.14x = 20,347.43 × 3,706.47
  4. Step 4: Simplify right side
    13,567.14x = 75,417,138.87
  5. Step 5: Solve for x
    x = 75,417,138.87/13,567.14
  6. Step 6: Final answer
    x = 5,558.81

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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.