Home / 14,211.44-19,611.52-7,838.62

Finding the Fourth Proportional to 14,211.44, 19,611.52 and 7,838.62

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Solution

The fourth proportional to 14,211.44, 19,611.52 and 7,838.62 is: 10,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.44 : 19,611.52 = 7,838.62 : x
  2. Step 2: Convert to fraction form
    14,211.44/19,611.52 = 7,838.62/x
  3. Step 3: Cross multiply
    14,211.44x = 19,611.52 × 7,838.62
  4. Step 4: Simplify right side
    14,211.44x = 153,727,252.90
  5. Step 5: Solve for x
    x = 153,727,252.90/14,211.44
  6. Step 6: Final answer
    x = 10,817.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.