Home / 15,565.62-23,348.52-3,878.82

Finding the Fourth Proportional to 15,565.62, 23,348.52 and 3,878.82

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Solution

The fourth proportional to 15,565.62, 23,348.52 and 3,878.82 is: 5,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.62 : 23,348.52 = 3,878.82 : x
  2. Step 2: Convert to fraction form
    15,565.62/23,348.52 = 3,878.82/x
  3. Step 3: Cross multiply
    15,565.62x = 23,348.52 × 3,878.82
  4. Step 4: Simplify right side
    15,565.62x = 90,564,706.35
  5. Step 5: Solve for x
    x = 90,564,706.35/15,565.62
  6. Step 6: Final answer
    x = 5,818.25

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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.