Home / 19,227.12-28,845.48-5,376

Finding the Fourth Proportional to 19,227.12, 28,845.48 and 5,376

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Solution

The fourth proportional to 19,227.12, 28,845.48 and 5,376 is: 8,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.12 : 28,845.48 = 5,376 : x
  2. Step 2: Convert to fraction form
    19,227.12/28,845.48 = 5,376/x
  3. Step 3: Cross multiply
    19,227.12x = 28,845.48 × 5,376
  4. Step 4: Simplify right side
    19,227.12x = 155,073,300.48
  5. Step 5: Solve for x
    x = 155,073,300.48/19,227.12
  6. Step 6: Final answer
    x = 8,065.34

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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.