Home / 19,805.48-29,701.99-6,654.77

Finding the Fourth Proportional to 19,805.48, 29,701.99 and 6,654.77

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Solution

The fourth proportional to 19,805.48, 29,701.99 and 6,654.77 is: 9,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.48 : 29,701.99 = 6,654.77 : x
  2. Step 2: Convert to fraction form
    19,805.48/29,701.99 = 6,654.77/x
  3. Step 3: Cross multiply
    19,805.48x = 29,701.99 × 6,654.77
  4. Step 4: Simplify right side
    19,805.48x = 197,659,911.99
  5. Step 5: Solve for x
    x = 197,659,911.99/19,805.48
  6. Step 6: Final answer
    x = 9,980.06

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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.