Home / 19,827.53-29,741.34-6,689.12

Finding the Fourth Proportional to 19,827.53, 29,741.34 and 6,689.12

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Solution

The fourth proportional to 19,827.53, 29,741.34 and 6,689.12 is: 10,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.53 : 29,741.34 = 6,689.12 : x
  2. Step 2: Convert to fraction form
    19,827.53/29,741.34 = 6,689.12/x
  3. Step 3: Cross multiply
    19,827.53x = 29,741.34 × 6,689.12
  4. Step 4: Simplify right side
    19,827.53x = 198,943,243.51
  5. Step 5: Solve for x
    x = 198,943,243.51/19,827.53
  6. Step 6: Final answer
    x = 10,033.69

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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.