Home / 19,982.36-29,975.02-5,750.26

Finding the Fourth Proportional to 19,982.36, 29,975.02 and 5,750.26

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Solution

The fourth proportional to 19,982.36, 29,975.02 and 5,750.26 is: 8,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.36 : 29,975.02 = 5,750.26 : x
  2. Step 2: Convert to fraction form
    19,982.36/29,975.02 = 5,750.26/x
  3. Step 3: Cross multiply
    19,982.36x = 29,975.02 × 5,750.26
  4. Step 4: Simplify right side
    19,982.36x = 172,364,069.19
  5. Step 5: Solve for x
    x = 172,364,069.19/19,982.36
  6. Step 6: Final answer
    x = 8,625.81

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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.