Home / 17,122.77-25,679.70-7,256.97

Finding the Fourth Proportional to 17,122.77, 25,679.70 and 7,256.97

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Solution

The fourth proportional to 17,122.77, 25,679.70 and 7,256.97 is: 10,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.77 : 25,679.70 = 7,256.97 : x
  2. Step 2: Convert to fraction form
    17,122.77/25,679.70 = 7,256.97/x
  3. Step 3: Cross multiply
    17,122.77x = 25,679.70 × 7,256.97
  4. Step 4: Simplify right side
    17,122.77x = 186,356,812.51
  5. Step 5: Solve for x
    x = 186,356,812.51/17,122.77
  6. Step 6: Final answer
    x = 10,883.57

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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.