Home / 16,998.08-25,507.10-7,136.60

Finding the Fourth Proportional to 16,998.08, 25,507.10 and 7,136.60

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Solution

The fourth proportional to 16,998.08, 25,507.10 and 7,136.60 is: 10,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.08 : 25,507.10 = 7,136.60 : x
  2. Step 2: Convert to fraction form
    16,998.08/25,507.10 = 7,136.60/x
  3. Step 3: Cross multiply
    16,998.08x = 25,507.10 × 7,136.60
  4. Step 4: Simplify right side
    16,998.08x = 182,033,860.17
  5. Step 5: Solve for x
    x = 182,033,860.17/16,998.08
  6. Step 6: Final answer
    x = 10,709.09

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1.5x scale

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.