Home / 19,360.44-29,015.15-7,667.28

Finding the Fourth Proportional to 19,360.44, 29,015.15 and 7,667.28

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Solution

The fourth proportional to 19,360.44, 29,015.15 and 7,667.28 is: 11,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.44 : 29,015.15 = 7,667.28 : x
  2. Step 2: Convert to fraction form
    19,360.44/29,015.15 = 7,667.28/x
  3. Step 3: Cross multiply
    19,360.44x = 29,015.15 × 7,667.28
  4. Step 4: Simplify right side
    19,360.44x = 222,467,240.96
  5. Step 5: Solve for x
    x = 222,467,240.96/19,360.44
  6. Step 6: Final answer
    x = 11,490.82

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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.