Home / 19,153.85-28,748.21-9,800.33

Finding the Fourth Proportional to 19,153.85, 28,748.21 and 9,800.33

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Solution

The fourth proportional to 19,153.85, 28,748.21 and 9,800.33 is: 14,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.85 : 28,748.21 = 9,800.33 : x
  2. Step 2: Convert to fraction form
    19,153.85/28,748.21 = 9,800.33/x
  3. Step 3: Cross multiply
    19,153.85x = 28,748.21 × 9,800.33
  4. Step 4: Simplify right side
    19,153.85x = 281,741,752.17
  5. Step 5: Solve for x
    x = 281,741,752.17/19,153.85
  6. Step 6: Final answer
    x = 14,709.41

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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.