Home / 21,592.14-29,797.74-12,161.04

Finding the Fourth Proportional to 21,592.14, 29,797.74 and 12,161.04

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Solution

The fourth proportional to 21,592.14, 29,797.74 and 12,161.04 is: 16,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.14 : 29,797.74 = 12,161.04 : x
  2. Step 2: Convert to fraction form
    21,592.14/29,797.74 = 12,161.04/x
  3. Step 3: Cross multiply
    21,592.14x = 29,797.74 × 12,161.04
  4. Step 4: Simplify right side
    21,592.14x = 362,371,508.05
  5. Step 5: Solve for x
    x = 362,371,508.05/21,592.14
  6. Step 6: Final answer
    x = 16,782.57

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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.