Home / 17,272.49-25,864.98-10,678.68

Finding the Fourth Proportional to 17,272.49, 25,864.98 and 10,678.68

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Solution

The fourth proportional to 17,272.49, 25,864.98 and 10,678.68 is: 15,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.49 : 25,864.98 = 10,678.68 : x
  2. Step 2: Convert to fraction form
    17,272.49/25,864.98 = 10,678.68/x
  3. Step 3: Cross multiply
    17,272.49x = 25,864.98 × 10,678.68
  4. Step 4: Simplify right side
    17,272.49x = 276,203,844.63
  5. Step 5: Solve for x
    x = 276,203,844.63/17,272.49
  6. Step 6: Final answer
    x = 15,990.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.