Home / 19,249.90-28,876.86-5,210.04

Finding the Fourth Proportional to 19,249.90, 28,876.86 and 5,210.04

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Solution

The fourth proportional to 19,249.90, 28,876.86 and 5,210.04 is: 7,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.90 : 28,876.86 = 5,210.04 : x
  2. Step 2: Convert to fraction form
    19,249.90/28,876.86 = 5,210.04/x
  3. Step 3: Cross multiply
    19,249.90x = 28,876.86 × 5,210.04
  4. Step 4: Simplify right side
    19,249.90x = 150,449,595.67
  5. Step 5: Solve for x
    x = 150,449,595.67/19,249.90
  6. Step 6: Final answer
    x = 7,815.60

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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.