Home / 19,508.56-29,263.66-7,664.89

Finding the Fourth Proportional to 19,508.56, 29,263.66 and 7,664.89

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Solution

The fourth proportional to 19,508.56, 29,263.66 and 7,664.89 is: 11,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.56 : 29,263.66 = 7,664.89 : x
  2. Step 2: Convert to fraction form
    19,508.56/29,263.66 = 7,664.89/x
  3. Step 3: Cross multiply
    19,508.56x = 29,263.66 × 7,664.89
  4. Step 4: Simplify right side
    19,508.56x = 224,302,734.90
  5. Step 5: Solve for x
    x = 224,302,734.90/19,508.56
  6. Step 6: Final answer
    x = 11,497.66

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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.