Home / 14,399.53-19,879.06-10,105.84

Finding the Fourth Proportional to 14,399.53, 19,879.06 and 10,105.84

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Solution

The fourth proportional to 14,399.53, 19,879.06 and 10,105.84 is: 13,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.53 : 19,879.06 = 10,105.84 : x
  2. Step 2: Convert to fraction form
    14,399.53/19,879.06 = 10,105.84/x
  3. Step 3: Cross multiply
    14,399.53x = 19,879.06 × 10,105.84
  4. Step 4: Simplify right side
    14,399.53x = 200,894,563.06
  5. Step 5: Solve for x
    x = 200,894,563.06/14,399.53
  6. Step 6: Final answer
    x = 13,951.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.