Home / 13,899.88-19,181.64-7,933.44

Finding the Fourth Proportional to 13,899.88, 19,181.64 and 7,933.44

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Solution

The fourth proportional to 13,899.88, 19,181.64 and 7,933.44 is: 10,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.88 : 19,181.64 = 7,933.44 : x
  2. Step 2: Convert to fraction form
    13,899.88/19,181.64 = 7,933.44/x
  3. Step 3: Cross multiply
    13,899.88x = 19,181.64 × 7,933.44
  4. Step 4: Simplify right side
    13,899.88x = 152,176,390.04
  5. Step 5: Solve for x
    x = 152,176,390.04/13,899.88
  6. Step 6: Final answer
    x = 10,948.04

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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.