Home / 19,756.36-29,633.82-5,905

Finding the Fourth Proportional to 19,756.36, 29,633.82 and 5,905

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Solution

The fourth proportional to 19,756.36, 29,633.82 and 5,905 is: 8,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.36 : 29,633.82 = 5,905 : x
  2. Step 2: Convert to fraction form
    19,756.36/29,633.82 = 5,905/x
  3. Step 3: Cross multiply
    19,756.36x = 29,633.82 × 5,905
  4. Step 4: Simplify right side
    19,756.36x = 174,987,707.10
  5. Step 5: Solve for x
    x = 174,987,707.10/19,756.36
  6. Step 6: Final answer
    x = 8,857.28

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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.