Home / 13,791.39-19,027.47-8,484.27

Finding the Fourth Proportional to 13,791.39, 19,027.47 and 8,484.27

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Solution

The fourth proportional to 13,791.39, 19,027.47 and 8,484.27 is: 11,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.39 : 19,027.47 = 8,484.27 : x
  2. Step 2: Convert to fraction form
    13,791.39/19,027.47 = 8,484.27/x
  3. Step 3: Cross multiply
    13,791.39x = 19,027.47 × 8,484.27
  4. Step 4: Simplify right side
    13,791.39x = 161,434,192.90
  5. Step 5: Solve for x
    x = 161,434,192.90/13,791.39
  6. Step 6: Final answer
    x = 11,705.43

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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.