Home / 21,766.74-32,662.40-9,285.58

Finding the Fourth Proportional to 21,766.74, 32,662.40 and 9,285.58

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Solution

The fourth proportional to 21,766.74, 32,662.40 and 9,285.58 is: 13,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.74 : 32,662.40 = 9,285.58 : x
  2. Step 2: Convert to fraction form
    21,766.74/32,662.40 = 9,285.58/x
  3. Step 3: Cross multiply
    21,766.74x = 32,662.40 × 9,285.58
  4. Step 4: Simplify right side
    21,766.74x = 303,289,328.19
  5. Step 5: Solve for x
    x = 303,289,328.19/21,766.74
  6. Step 6: Final answer
    x = 13,933.62

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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.