Home / 19,754.99-27,261.82-11,140.49

Finding the Fourth Proportional to 19,754.99, 27,261.82 and 11,140.49

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Solution

The fourth proportional to 19,754.99, 27,261.82 and 11,140.49 is: 15,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.99 : 27,261.82 = 11,140.49 : x
  2. Step 2: Convert to fraction form
    19,754.99/27,261.82 = 11,140.49/x
  3. Step 3: Cross multiply
    19,754.99x = 27,261.82 × 11,140.49
  4. Step 4: Simplify right side
    19,754.99x = 303,709,899.16
  5. Step 5: Solve for x
    x = 303,709,899.16/19,754.99
  6. Step 6: Final answer
    x = 15,373.83

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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.