Home / 19,167.72-28,741.16-6,684.40

Finding the Fourth Proportional to 19,167.72, 28,741.16 and 6,684.40

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Solution

The fourth proportional to 19,167.72, 28,741.16 and 6,684.40 is: 10,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.72 : 28,741.16 = 6,684.40 : x
  2. Step 2: Convert to fraction form
    19,167.72/28,741.16 = 6,684.40/x
  3. Step 3: Cross multiply
    19,167.72x = 28,741.16 × 6,684.40
  4. Step 4: Simplify right side
    19,167.72x = 192,117,409.90
  5. Step 5: Solve for x
    x = 192,117,409.90/19,167.72
  6. Step 6: Final answer
    x = 10,022.97

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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.