Home / 19,715.25-27,174.63-13,974.63

Finding the Fourth Proportional to 19,715.25, 27,174.63 and 13,974.63

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Solution

The fourth proportional to 19,715.25, 27,174.63 and 13,974.63 is: 19,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.25 : 27,174.63 = 13,974.63 : x
  2. Step 2: Convert to fraction form
    19,715.25/27,174.63 = 13,974.63/x
  3. Step 3: Cross multiply
    19,715.25x = 27,174.63 × 13,974.63
  4. Step 4: Simplify right side
    19,715.25x = 379,755,399.64
  5. Step 5: Solve for x
    x = 379,755,399.64/19,715.25
  6. Step 6: Final answer
    x = 19,262.01

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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.