Home / 13,397.63-20,100.94-9,399.18

Finding the Fourth Proportional to 13,397.63, 20,100.94 and 9,399.18

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Solution

The fourth proportional to 13,397.63, 20,100.94 and 9,399.18 is: 14,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.63 : 20,100.94 = 9,399.18 : x
  2. Step 2: Convert to fraction form
    13,397.63/20,100.94 = 9,399.18/x
  3. Step 3: Cross multiply
    13,397.63x = 20,100.94 × 9,399.18
  4. Step 4: Simplify right side
    13,397.63x = 188,932,353.23
  5. Step 5: Solve for x
    x = 188,932,353.23/13,397.63
  6. Step 6: Final answer
    x = 14,101.92

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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.