Home / 13,899.66-19,183.14-7,932.19

Finding the Fourth Proportional to 13,899.66, 19,183.14 and 7,932.19

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Solution

The fourth proportional to 13,899.66, 19,183.14 and 7,932.19 is: 10,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.66 : 19,183.14 = 7,932.19 : x
  2. Step 2: Convert to fraction form
    13,899.66/19,183.14 = 7,932.19/x
  3. Step 3: Cross multiply
    13,899.66x = 19,183.14 × 7,932.19
  4. Step 4: Simplify right side
    13,899.66x = 152,164,263.32
  5. Step 5: Solve for x
    x = 152,164,263.32/13,899.66
  6. Step 6: Final answer
    x = 10,947.34

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Double scale
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Similar ratio
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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.