Home / 21,619.44-32,385.96-19,792.08

Finding the Fourth Proportional to 21,619.44, 32,385.96 and 19,792.08

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Solution

The fourth proportional to 21,619.44, 32,385.96 and 19,792.08 is: 29,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.44 : 32,385.96 = 19,792.08 : x
  2. Step 2: Convert to fraction form
    21,619.44/32,385.96 = 19,792.08/x
  3. Step 3: Cross multiply
    21,619.44x = 32,385.96 × 19,792.08
  4. Step 4: Simplify right side
    21,619.44x = 640,985,511.20
  5. Step 5: Solve for x
    x = 640,985,511.20/21,619.44
  6. Step 6: Final answer
    x = 29,648.57

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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.