Home / 21,598.44-29,805.68-12,170.04

Finding the Fourth Proportional to 21,598.44, 29,805.68 and 12,170.04

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Solution

The fourth proportional to 21,598.44, 29,805.68 and 12,170.04 is: 16,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.44 : 29,805.68 = 12,170.04 : x
  2. Step 2: Convert to fraction form
    21,598.44/29,805.68 = 12,170.04/x
  3. Step 3: Cross multiply
    21,598.44x = 29,805.68 × 12,170.04
  4. Step 4: Simplify right side
    21,598.44x = 362,736,317.83
  5. Step 5: Solve for x
    x = 362,736,317.83/21,598.44
  6. Step 6: Final answer
    x = 16,794.56

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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.