Home / 13,460.57-20,191.84-4,101.38

Finding the Fourth Proportional to 13,460.57, 20,191.84 and 4,101.38

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Solution

The fourth proportional to 13,460.57, 20,191.84 and 4,101.38 is: 6,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.57 : 20,191.84 = 4,101.38 : x
  2. Step 2: Convert to fraction form
    13,460.57/20,191.84 = 4,101.38/x
  3. Step 3: Cross multiply
    13,460.57x = 20,191.84 × 4,101.38
  4. Step 4: Simplify right side
    13,460.57x = 82,814,448.97
  5. Step 5: Solve for x
    x = 82,814,448.97/13,460.57
  6. Step 6: Final answer
    x = 6,152.38

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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.