Home / 13,227.48-19,738.98-11,754.90

Finding the Fourth Proportional to 13,227.48, 19,738.98 and 11,754.90

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Solution

The fourth proportional to 13,227.48, 19,738.98 and 11,754.90 is: 17,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.48 : 19,738.98 = 11,754.90 : x
  2. Step 2: Convert to fraction form
    13,227.48/19,738.98 = 11,754.90/x
  3. Step 3: Cross multiply
    13,227.48x = 19,738.98 × 11,754.90
  4. Step 4: Simplify right side
    13,227.48x = 232,029,736.00
  5. Step 5: Solve for x
    x = 232,029,736.00/13,227.48
  6. Step 6: Final answer
    x = 17,541.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.