Home / 19,914.95-29,872.16-8,068.63

Finding the Fourth Proportional to 19,914.95, 29,872.16 and 8,068.63

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Solution

The fourth proportional to 19,914.95, 29,872.16 and 8,068.63 is: 12,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.95 : 29,872.16 = 8,068.63 : x
  2. Step 2: Convert to fraction form
    19,914.95/29,872.16 = 8,068.63/x
  3. Step 3: Cross multiply
    19,914.95x = 29,872.16 × 8,068.63
  4. Step 4: Simplify right side
    19,914.95x = 241,027,268.58
  5. Step 5: Solve for x
    x = 241,027,268.58/19,914.95
  6. Step 6: Final answer
    x = 12,102.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.