Home / 21,848.24-32,769.12-7,994

Finding the Fourth Proportional to 21,848.24, 32,769.12 and 7,994

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Solution

The fourth proportional to 21,848.24, 32,769.12 and 7,994 is: 11,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848.24 : 32,769.12 = 7,994 : x
  2. Step 2: Convert to fraction form
    21,848.24/32,769.12 = 7,994/x
  3. Step 3: Cross multiply
    21,848.24x = 32,769.12 × 7,994
  4. Step 4: Simplify right side
    21,848.24x = 261,956,345.28
  5. Step 5: Solve for x
    x = 261,956,345.28/21,848.24
  6. Step 6: Final answer
    x = 11,989.81

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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.