Home / 19,619.69-29,442.49-9,232.25

Finding the Fourth Proportional to 19,619.69, 29,442.49 and 9,232.25

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Solution

The fourth proportional to 19,619.69, 29,442.49 and 9,232.25 is: 13,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.69 : 29,442.49 = 9,232.25 : x
  2. Step 2: Convert to fraction form
    19,619.69/29,442.49 = 9,232.25/x
  3. Step 3: Cross multiply
    19,619.69x = 29,442.49 × 9,232.25
  4. Step 4: Simplify right side
    19,619.69x = 271,820,428.30
  5. Step 5: Solve for x
    x = 271,820,428.30/19,619.69
  6. Step 6: Final answer
    x = 13,854.47

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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.