Home / 14,211.05-19,611.32-7,837.86

Finding the Fourth Proportional to 14,211.05, 19,611.32 and 7,837.86

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Solution

The fourth proportional to 14,211.05, 19,611.32 and 7,837.86 is: 10,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.05 : 19,611.32 = 7,837.86 : x
  2. Step 2: Convert to fraction form
    14,211.05/19,611.32 = 7,837.86/x
  3. Step 3: Cross multiply
    14,211.05x = 19,611.32 × 7,837.86
  4. Step 4: Simplify right side
    14,211.05x = 153,710,814.93
  5. Step 5: Solve for x
    x = 153,710,814.93/14,211.05
  6. Step 6: Final answer
    x = 10,816.29

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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.