Home / 19,810.22-29,716.70-5,770.36

Finding the Fourth Proportional to 19,810.22, 29,716.70 and 5,770.36

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Solution

The fourth proportional to 19,810.22, 29,716.70 and 5,770.36 is: 8,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.22 : 29,716.70 = 5,770.36 : x
  2. Step 2: Convert to fraction form
    19,810.22/29,716.70 = 5,770.36/x
  3. Step 3: Cross multiply
    19,810.22x = 29,716.70 × 5,770.36
  4. Step 4: Simplify right side
    19,810.22x = 171,476,165.11
  5. Step 5: Solve for x
    x = 171,476,165.11/19,810.22
  6. Step 6: Final answer
    x = 8,655.94

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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.