Home / 13,372.68-20,047.13-6,348.36

Finding the Fourth Proportional to 13,372.68, 20,047.13 and 6,348.36

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Solution

The fourth proportional to 13,372.68, 20,047.13 and 6,348.36 is: 9,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.68 : 20,047.13 = 6,348.36 : x
  2. Step 2: Convert to fraction form
    13,372.68/20,047.13 = 6,348.36/x
  3. Step 3: Cross multiply
    13,372.68x = 20,047.13 × 6,348.36
  4. Step 4: Simplify right side
    13,372.68x = 127,266,465.45
  5. Step 5: Solve for x
    x = 127,266,465.45/13,372.68
  6. Step 6: Final answer
    x = 9,516.90

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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.