Home / 18,828.77-26,010.74-15,046.98

Finding the Fourth Proportional to 18,828.77, 26,010.74 and 15,046.98

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Solution

The fourth proportional to 18,828.77, 26,010.74 and 15,046.98 is: 20,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.77 : 26,010.74 = 15,046.98 : x
  2. Step 2: Convert to fraction form
    18,828.77/26,010.74 = 15,046.98/x
  3. Step 3: Cross multiply
    18,828.77x = 26,010.74 × 15,046.98
  4. Step 4: Simplify right side
    18,828.77x = 391,383,009.33
  5. Step 5: Solve for x
    x = 391,383,009.33/18,828.77
  6. Step 6: Final answer
    x = 20,786.44

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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.