Home / 19,621.49-29,307.17-16,997.09

Finding the Fourth Proportional to 19,621.49, 29,307.17 and 16,997.09

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Solution

The fourth proportional to 19,621.49, 29,307.17 and 16,997.09 is: 25,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.49 : 29,307.17 = 16,997.09 : x
  2. Step 2: Convert to fraction form
    19,621.49/29,307.17 = 16,997.09/x
  3. Step 3: Cross multiply
    19,621.49x = 29,307.17 × 16,997.09
  4. Step 4: Simplify right side
    19,621.49x = 498,136,571.34
  5. Step 5: Solve for x
    x = 498,136,571.34/19,621.49
  6. Step 6: Final answer
    x = 25,387.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.