Home / 29,186.80-43,782.63-11,647.06

Finding the Fourth Proportional to 29,186.80, 43,782.63 and 11,647.06

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Solution

The fourth proportional to 29,186.80, 43,782.63 and 11,647.06 is: 17,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.80 : 43,782.63 = 11,647.06 : x
  2. Step 2: Convert to fraction form
    29,186.80/43,782.63 = 11,647.06/x
  3. Step 3: Cross multiply
    29,186.80x = 43,782.63 × 11,647.06
  4. Step 4: Simplify right side
    29,186.80x = 509,938,918.57
  5. Step 5: Solve for x
    x = 509,938,918.57/29,186.80
  6. Step 6: Final answer
    x = 17,471.56

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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.