Home / 19,371.56-29,057.69-5,331.51

Finding the Fourth Proportional to 19,371.56, 29,057.69 and 5,331.51

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Solution

The fourth proportional to 19,371.56, 29,057.69 and 5,331.51 is: 7,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.56 : 29,057.69 = 5,331.51 : x
  2. Step 2: Convert to fraction form
    19,371.56/29,057.69 = 5,331.51/x
  3. Step 3: Cross multiply
    19,371.56x = 29,057.69 × 5,331.51
  4. Step 4: Simplify right side
    19,371.56x = 154,921,364.81
  5. Step 5: Solve for x
    x = 154,921,364.81/19,371.56
  6. Step 6: Final answer
    x = 7,997.36

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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.