Home / 14,211.23-19,611.26-7,838.44

Finding the Fourth Proportional to 14,211.23, 19,611.26 and 7,838.44

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Solution

The fourth proportional to 14,211.23, 19,611.26 and 7,838.44 is: 10,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.23 : 19,611.26 = 7,838.44 : x
  2. Step 2: Convert to fraction form
    14,211.23/19,611.26 = 7,838.44/x
  3. Step 3: Cross multiply
    14,211.23x = 19,611.26 × 7,838.44
  4. Step 4: Simplify right side
    14,211.23x = 153,721,684.83
  5. Step 5: Solve for x
    x = 153,721,684.83/14,211.23
  6. Step 6: Final answer
    x = 10,816.92

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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.