Home / 19,653.74-29,480.32-4,862.66

Finding the Fourth Proportional to 19,653.74, 29,480.32 and 4,862.66

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Solution

The fourth proportional to 19,653.74, 29,480.32 and 4,862.66 is: 7,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.74 : 29,480.32 = 4,862.66 : x
  2. Step 2: Convert to fraction form
    19,653.74/29,480.32 = 4,862.66/x
  3. Step 3: Cross multiply
    19,653.74x = 29,480.32 × 4,862.66
  4. Step 4: Simplify right side
    19,653.74x = 143,352,772.85
  5. Step 5: Solve for x
    x = 143,352,772.85/19,653.74
  6. Step 6: Final answer
    x = 7,293.92

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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.