Home / 19,813.10-29,703.27-15,449.90

Finding the Fourth Proportional to 19,813.10, 29,703.27 and 15,449.90

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Solution

The fourth proportional to 19,813.10, 29,703.27 and 15,449.90 is: 23,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.10 : 29,703.27 = 15,449.90 : x
  2. Step 2: Convert to fraction form
    19,813.10/29,703.27 = 15,449.90/x
  3. Step 3: Cross multiply
    19,813.10x = 29,703.27 × 15,449.90
  4. Step 4: Simplify right side
    19,813.10x = 458,912,551.17
  5. Step 5: Solve for x
    x = 458,912,551.17/19,813.10
  6. Step 6: Final answer
    x = 23,162.08

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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.