Home / 13,711.48-20,567.21-4,946.38

Finding the Fourth Proportional to 13,711.48, 20,567.21 and 4,946.38

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Solution

The fourth proportional to 13,711.48, 20,567.21 and 4,946.38 is: 7,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.48 : 20,567.21 = 4,946.38 : x
  2. Step 2: Convert to fraction form
    13,711.48/20,567.21 = 4,946.38/x
  3. Step 3: Cross multiply
    13,711.48x = 20,567.21 × 4,946.38
  4. Step 4: Simplify right side
    13,711.48x = 101,733,160.05
  5. Step 5: Solve for x
    x = 101,733,160.05/13,711.48
  6. Step 6: Final answer
    x = 7,419.56

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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.