Home / 19,284.12-26,612.10-11,729.76

Finding the Fourth Proportional to 19,284.12, 26,612.10 and 11,729.76

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Solution

The fourth proportional to 19,284.12, 26,612.10 and 11,729.76 is: 16,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.12 : 26,612.10 = 11,729.76 : x
  2. Step 2: Convert to fraction form
    19,284.12/26,612.10 = 11,729.76/x
  3. Step 3: Cross multiply
    19,284.12x = 26,612.10 × 11,729.76
  4. Step 4: Simplify right side
    19,284.12x = 312,153,546.10
  5. Step 5: Solve for x
    x = 312,153,546.10/19,284.12
  6. Step 6: Final answer
    x = 16,187.08

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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.