Home / 19,834.54-27,372.94-13,108.38

Finding the Fourth Proportional to 19,834.54, 27,372.94 and 13,108.38

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Solution

The fourth proportional to 19,834.54, 27,372.94 and 13,108.38 is: 18,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.54 : 27,372.94 = 13,108.38 : x
  2. Step 2: Convert to fraction form
    19,834.54/27,372.94 = 13,108.38/x
  3. Step 3: Cross multiply
    19,834.54x = 27,372.94 × 13,108.38
  4. Step 4: Simplify right side
    19,834.54x = 358,814,899.24
  5. Step 5: Solve for x
    x = 358,814,899.24/19,834.54
  6. Step 6: Final answer
    x = 18,090.41

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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.