Home / 19,202.16-28,803.48-5,351.28

Finding the Fourth Proportional to 19,202.16, 28,803.48 and 5,351.28

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Solution

The fourth proportional to 19,202.16, 28,803.48 and 5,351.28 is: 8,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.16 : 28,803.48 = 5,351.28 : x
  2. Step 2: Convert to fraction form
    19,202.16/28,803.48 = 5,351.28/x
  3. Step 3: Cross multiply
    19,202.16x = 28,803.48 × 5,351.28
  4. Step 4: Simplify right side
    19,202.16x = 154,135,486.45
  5. Step 5: Solve for x
    x = 154,135,486.45/19,202.16
  6. Step 6: Final answer
    x = 8,026.99

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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.