Home / 19,236.06-26,538.84-11,685.51

Finding the Fourth Proportional to 19,236.06, 26,538.84 and 11,685.51

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Solution

The fourth proportional to 19,236.06, 26,538.84 and 11,685.51 is: 16,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.06 : 26,538.84 = 11,685.51 : x
  2. Step 2: Convert to fraction form
    19,236.06/26,538.84 = 11,685.51/x
  3. Step 3: Cross multiply
    19,236.06x = 26,538.84 × 11,685.51
  4. Step 4: Simplify right side
    19,236.06x = 310,119,880.21
  5. Step 5: Solve for x
    x = 310,119,880.21/19,236.06
  6. Step 6: Final answer
    x = 16,121.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.