Home / 14,878.84-22,318.38-3,785.54

Finding the Fourth Proportional to 14,878.84, 22,318.38 and 3,785.54

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Solution

The fourth proportional to 14,878.84, 22,318.38 and 3,785.54 is: 5,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.84 : 22,318.38 = 3,785.54 : x
  2. Step 2: Convert to fraction form
    14,878.84/22,318.38 = 3,785.54/x
  3. Step 3: Cross multiply
    14,878.84x = 22,318.38 × 3,785.54
  4. Step 4: Simplify right side
    14,878.84x = 84,487,120.23
  5. Step 5: Solve for x
    x = 84,487,120.23/14,878.84
  6. Step 6: Final answer
    x = 5,678.34

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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.