Home / 19,667.09-29,489.70-6,512.28

Finding the Fourth Proportional to 19,667.09, 29,489.70 and 6,512.28

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Solution

The fourth proportional to 19,667.09, 29,489.70 and 6,512.28 is: 9,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,667.09 : 29,489.70 = 6,512.28 : x
  2. Step 2: Convert to fraction form
    19,667.09/29,489.70 = 6,512.28/x
  3. Step 3: Cross multiply
    19,667.09x = 29,489.70 × 6,512.28
  4. Step 4: Simplify right side
    19,667.09x = 192,045,224.68
  5. Step 5: Solve for x
    x = 192,045,224.68/19,667.09
  6. Step 6: Final answer
    x = 9,764.80

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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.