Home / 14,105.15-21,158.15-6,203.57

Finding the Fourth Proportional to 14,105.15, 21,158.15 and 6,203.57

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Solution

The fourth proportional to 14,105.15, 21,158.15 and 6,203.57 is: 9,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.15 : 21,158.15 = 6,203.57 : x
  2. Step 2: Convert to fraction form
    14,105.15/21,158.15 = 6,203.57/x
  3. Step 3: Cross multiply
    14,105.15x = 21,158.15 × 6,203.57
  4. Step 4: Simplify right side
    14,105.15x = 131,256,007.13
  5. Step 5: Solve for x
    x = 131,256,007.13/14,105.15
  6. Step 6: Final answer
    x = 9,305.54

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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.