Home / 19,771.30-29,652.27-5,727.61

Finding the Fourth Proportional to 19,771.30, 29,652.27 and 5,727.61

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Solution

The fourth proportional to 19,771.30, 29,652.27 and 5,727.61 is: 8,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.30 : 29,652.27 = 5,727.61 : x
  2. Step 2: Convert to fraction form
    19,771.30/29,652.27 = 5,727.61/x
  3. Step 3: Cross multiply
    19,771.30x = 29,652.27 × 5,727.61
  4. Step 4: Simplify right side
    19,771.30x = 169,836,638.17
  5. Step 5: Solve for x
    x = 169,836,638.17/19,771.30
  6. Step 6: Final answer
    x = 8,590.06

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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.