Home / 19,018.24-26,253.97-13,571.51

Finding the Fourth Proportional to 19,018.24, 26,253.97 and 13,571.51

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Solution

The fourth proportional to 19,018.24, 26,253.97 and 13,571.51 is: 18,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.24 : 26,253.97 = 13,571.51 : x
  2. Step 2: Convert to fraction form
    19,018.24/26,253.97 = 13,571.51/x
  3. Step 3: Cross multiply
    19,018.24x = 26,253.97 × 13,571.51
  4. Step 4: Simplify right side
    19,018.24x = 356,305,851.20
  5. Step 5: Solve for x
    x = 356,305,851.20/19,018.24
  6. Step 6: Final answer
    x = 18,734.96

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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.