Home / 18,832.98-25,994.29-12,867.06

Finding the Fourth Proportional to 18,832.98, 25,994.29 and 12,867.06

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Solution

The fourth proportional to 18,832.98, 25,994.29 and 12,867.06 is: 17,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.98 : 25,994.29 = 12,867.06 : x
  2. Step 2: Convert to fraction form
    18,832.98/25,994.29 = 12,867.06/x
  3. Step 3: Cross multiply
    18,832.98x = 25,994.29 × 12,867.06
  4. Step 4: Simplify right side
    18,832.98x = 334,470,089.09
  5. Step 5: Solve for x
    x = 334,470,089.09/18,832.98
  6. Step 6: Final answer
    x = 17,759.81

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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.