Home / 19,265.40-28,898.10-16,805.03

Finding the Fourth Proportional to 19,265.40, 28,898.10 and 16,805.03

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Solution

The fourth proportional to 19,265.40, 28,898.10 and 16,805.03 is: 25,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.40 : 28,898.10 = 16,805.03 : x
  2. Step 2: Convert to fraction form
    19,265.40/28,898.10 = 16,805.03/x
  3. Step 3: Cross multiply
    19,265.40x = 28,898.10 × 16,805.03
  4. Step 4: Simplify right side
    19,265.40x = 485,633,292.95
  5. Step 5: Solve for x
    x = 485,633,292.95/19,265.40
  6. Step 6: Final answer
    x = 25,207.54

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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.