Home / 17,179.15-23,754.96-13,636.21

Finding the Fourth Proportional to 17,179.15, 23,754.96 and 13,636.21

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Solution

The fourth proportional to 17,179.15, 23,754.96 and 13,636.21 is: 18,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.15 : 23,754.96 = 13,636.21 : x
  2. Step 2: Convert to fraction form
    17,179.15/23,754.96 = 13,636.21/x
  3. Step 3: Cross multiply
    17,179.15x = 23,754.96 × 13,636.21
  4. Step 4: Simplify right side
    17,179.15x = 323,927,623.10
  5. Step 5: Solve for x
    x = 323,927,623.10/17,179.15
  6. Step 6: Final answer
    x = 18,855.86

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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.