Home / 17,231.04-23,777.64-15,819.42

Finding the Fourth Proportional to 17,231.04, 23,777.64 and 15,819.42

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Solution

The fourth proportional to 17,231.04, 23,777.64 and 15,819.42 is: 21,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.04 : 23,777.64 = 15,819.42 : x
  2. Step 2: Convert to fraction form
    17,231.04/23,777.64 = 15,819.42/x
  3. Step 3: Cross multiply
    17,231.04x = 23,777.64 × 15,819.42
  4. Step 4: Simplify right side
    17,231.04x = 376,148,473.77
  5. Step 5: Solve for x
    x = 376,148,473.77/17,231.04
  6. Step 6: Final answer
    x = 21,829.70

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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.