Home / 14,211.18-19,611.45-7,923.42

Finding the Fourth Proportional to 14,211.18, 19,611.45 and 7,923.42

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Solution

The fourth proportional to 14,211.18, 19,611.45 and 7,923.42 is: 10,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.18 : 19,611.45 = 7,923.42 : x
  2. Step 2: Convert to fraction form
    14,211.18/19,611.45 = 7,923.42/x
  3. Step 3: Cross multiply
    14,211.18x = 19,611.45 × 7,923.42
  4. Step 4: Simplify right side
    14,211.18x = 155,389,755.16
  5. Step 5: Solve for x
    x = 155,389,755.16/14,211.18
  6. Step 6: Final answer
    x = 10,934.33

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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.