Home / 17,106.24-23,619.96-13,121.04

Finding the Fourth Proportional to 17,106.24, 23,619.96 and 13,121.04

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Solution

The fourth proportional to 17,106.24, 23,619.96 and 13,121.04 is: 18,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.24 : 23,619.96 = 13,121.04 : x
  2. Step 2: Convert to fraction form
    17,106.24/23,619.96 = 13,121.04/x
  3. Step 3: Cross multiply
    17,106.24x = 23,619.96 × 13,121.04
  4. Step 4: Simplify right side
    17,106.24x = 309,918,439.96
  5. Step 5: Solve for x
    x = 309,918,439.96/17,106.24
  6. Step 6: Final answer
    x = 18,117.27

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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.