Home / 13,910.38-19,199.00-10,879.48

Finding the Fourth Proportional to 13,910.38, 19,199.00 and 10,879.48

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Solution

The fourth proportional to 13,910.38, 19,199.00 and 10,879.48 is: 15,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.38 : 19,199.00 = 10,879.48 : x
  2. Step 2: Convert to fraction form
    13,910.38/19,199.00 = 10,879.48/x
  3. Step 3: Cross multiply
    13,910.38x = 19,199.00 × 10,879.48
  4. Step 4: Simplify right side
    13,910.38x = 208,875,034.13
  5. Step 5: Solve for x
    x = 208,875,034.13/13,910.38
  6. Step 6: Final answer
    x = 15,015.77

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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.