Home / 13,327.83-19,999.98-6,758.64

Finding the Fourth Proportional to 13,327.83, 19,999.98 and 6,758.64

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Solution

The fourth proportional to 13,327.83, 19,999.98 and 6,758.64 is: 10,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.83 : 19,999.98 = 6,758.64 : x
  2. Step 2: Convert to fraction form
    13,327.83/19,999.98 = 6,758.64/x
  3. Step 3: Cross multiply
    13,327.83x = 19,999.98 × 6,758.64
  4. Step 4: Simplify right side
    13,327.83x = 135,172,664.83
  5. Step 5: Solve for x
    x = 135,172,664.83/13,327.83
  6. Step 6: Final answer
    x = 10,142.14

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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.