Home / 19,790.35-29,678.33-5,746.57

Finding the Fourth Proportional to 19,790.35, 29,678.33 and 5,746.57

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Solution

The fourth proportional to 19,790.35, 29,678.33 and 5,746.57 is: 8,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.35 : 29,678.33 = 5,746.57 : x
  2. Step 2: Convert to fraction form
    19,790.35/29,678.33 = 5,746.57/x
  3. Step 3: Cross multiply
    19,790.35x = 29,678.33 × 5,746.57
  4. Step 4: Simplify right side
    19,790.35x = 170,548,541.00
  5. Step 5: Solve for x
    x = 170,548,541.00/19,790.35
  6. Step 6: Final answer
    x = 8,617.76

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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.