Home / 17,967.42-24,817.68-15,144.21

Finding the Fourth Proportional to 17,967.42, 24,817.68 and 15,144.21

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Solution

The fourth proportional to 17,967.42, 24,817.68 and 15,144.21 is: 20,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.42 : 24,817.68 = 15,144.21 : x
  2. Step 2: Convert to fraction form
    17,967.42/24,817.68 = 15,144.21/x
  3. Step 3: Cross multiply
    17,967.42x = 24,817.68 × 15,144.21
  4. Step 4: Simplify right side
    17,967.42x = 375,844,157.63
  5. Step 5: Solve for x
    x = 375,844,157.63/17,967.42
  6. Step 6: Final answer
    x = 20,918.09

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Double scale
Find fourth proportional to 17,968.42, 24,819.06 and 15,145.21
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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.