Home / 13,895.94-20,852.06-5,136.96

Finding the Fourth Proportional to 13,895.94, 20,852.06 and 5,136.96

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Solution

The fourth proportional to 13,895.94, 20,852.06 and 5,136.96 is: 7,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.94 : 20,852.06 = 5,136.96 : x
  2. Step 2: Convert to fraction form
    13,895.94/20,852.06 = 5,136.96/x
  3. Step 3: Cross multiply
    13,895.94x = 20,852.06 × 5,136.96
  4. Step 4: Simplify right side
    13,895.94x = 107,116,172.45
  5. Step 5: Solve for x
    x = 107,116,172.45/13,895.94
  6. Step 6: Final answer
    x = 7,708.45

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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.