Home / 21,840.22-32,766.81-9,354.07

Finding the Fourth Proportional to 21,840.22, 32,766.81 and 9,354.07

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Solution

The fourth proportional to 21,840.22, 32,766.81 and 9,354.07 is: 14,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.22 : 32,766.81 = 9,354.07 : x
  2. Step 2: Convert to fraction form
    21,840.22/32,766.81 = 9,354.07/x
  3. Step 3: Cross multiply
    21,840.22x = 32,766.81 × 9,354.07
  4. Step 4: Simplify right side
    21,840.22x = 306,503,034.42
  5. Step 5: Solve for x
    x = 306,503,034.42/21,840.22
  6. Step 6: Final answer
    x = 14,033.88

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1.5x scale

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.