Home / 29,940.68-41,316-18,626.60

Finding the Fourth Proportional to 29,940.68, 41,316 and 18,626.60

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Solution

The fourth proportional to 29,940.68, 41,316 and 18,626.60 is: 25,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.68 : 41,316 = 18,626.60 : x
  2. Step 2: Convert to fraction form
    29,940.68/41,316 = 18,626.60/x
  3. Step 3: Cross multiply
    29,940.68x = 41,316 × 18,626.60
  4. Step 4: Simplify right side
    29,940.68x = 769,576,605.60
  5. Step 5: Solve for x
    x = 769,576,605.60/29,940.68
  6. Step 6: Final answer
    x = 25,703.38

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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.