Home / 19,905.42-29,851.78-6,575.94

Finding the Fourth Proportional to 19,905.42, 29,851.78 and 6,575.94

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Solution

The fourth proportional to 19,905.42, 29,851.78 and 6,575.94 is: 9,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.42 : 29,851.78 = 6,575.94 : x
  2. Step 2: Convert to fraction form
    19,905.42/29,851.78 = 6,575.94/x
  3. Step 3: Cross multiply
    19,905.42x = 29,851.78 × 6,575.94
  4. Step 4: Simplify right side
    19,905.42x = 196,303,514.17
  5. Step 5: Solve for x
    x = 196,303,514.17/19,905.42
  6. Step 6: Final answer
    x = 9,861.81

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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.