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Finding the Fourth Proportional to 19,164.98, 26,447.37 and 10,667

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Solution

The fourth proportional to 19,164.98, 26,447.37 and 10,667 is: 14,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.98 : 26,447.37 = 10,667 : x
  2. Step 2: Convert to fraction form
    19,164.98/26,447.37 = 10,667/x
  3. Step 3: Cross multiply
    19,164.98x = 26,447.37 × 10,667
  4. Step 4: Simplify right side
    19,164.98x = 282,114,095.79
  5. Step 5: Solve for x
    x = 282,114,095.79/19,164.98
  6. Step 6: Final answer
    x = 14,720.29

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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.