Home / 14,090.80-21,136.41-6,696.02

Finding the Fourth Proportional to 14,090.80, 21,136.41 and 6,696.02

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Solution

The fourth proportional to 14,090.80, 21,136.41 and 6,696.02 is: 10,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.80 : 21,136.41 = 6,696.02 : x
  2. Step 2: Convert to fraction form
    14,090.80/21,136.41 = 6,696.02/x
  3. Step 3: Cross multiply
    14,090.80x = 21,136.41 × 6,696.02
  4. Step 4: Simplify right side
    14,090.80x = 141,529,824.09
  5. Step 5: Solve for x
    x = 141,529,824.09/14,090.80
  6. Step 6: Final answer
    x = 10,044.13

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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.