Home / 21,568.44-29,764.22-12,008.18

Finding the Fourth Proportional to 21,568.44, 29,764.22 and 12,008.18

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Solution

The fourth proportional to 21,568.44, 29,764.22 and 12,008.18 is: 16,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.44 : 29,764.22 = 12,008.18 : x
  2. Step 2: Convert to fraction form
    21,568.44/29,764.22 = 12,008.18/x
  3. Step 3: Cross multiply
    21,568.44x = 29,764.22 × 12,008.18
  4. Step 4: Simplify right side
    21,568.44x = 357,414,111.32
  5. Step 5: Solve for x
    x = 357,414,111.32/21,568.44
  6. Step 6: Final answer
    x = 16,571.16

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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.