Home / 17,011.54-23,487.38-15,213.44

Finding the Fourth Proportional to 17,011.54, 23,487.38 and 15,213.44

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Solution

The fourth proportional to 17,011.54, 23,487.38 and 15,213.44 is: 21,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.54 : 23,487.38 = 15,213.44 : x
  2. Step 2: Convert to fraction form
    17,011.54/23,487.38 = 15,213.44/x
  3. Step 3: Cross multiply
    17,011.54x = 23,487.38 × 15,213.44
  4. Step 4: Simplify right side
    17,011.54x = 357,323,846.39
  5. Step 5: Solve for x
    x = 357,323,846.39/17,011.54
  6. Step 6: Final answer
    x = 21,004.79

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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.