Home / 13,893.96-19,174.68-9,170.04

Finding the Fourth Proportional to 13,893.96, 19,174.68 and 9,170.04

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Solution

The fourth proportional to 13,893.96, 19,174.68 and 9,170.04 is: 12,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.96 : 19,174.68 = 9,170.04 : x
  2. Step 2: Convert to fraction form
    13,893.96/19,174.68 = 9,170.04/x
  3. Step 3: Cross multiply
    13,893.96x = 19,174.68 × 9,170.04
  4. Step 4: Simplify right side
    13,893.96x = 175,832,582.59
  5. Step 5: Solve for x
    x = 175,832,582.59/13,893.96
  6. Step 6: Final answer
    x = 12,655.33

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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.