Home / 21,742.85-32,618.46-9,262.64

Finding the Fourth Proportional to 21,742.85, 32,618.46 and 9,262.64

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Solution

The fourth proportional to 21,742.85, 32,618.46 and 9,262.64 is: 13,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.85 : 32,618.46 = 9,262.64 : x
  2. Step 2: Convert to fraction form
    21,742.85/32,618.46 = 9,262.64/x
  3. Step 3: Cross multiply
    21,742.85x = 32,618.46 × 9,262.64
  4. Step 4: Simplify right side
    21,742.85x = 302,133,052.33
  5. Step 5: Solve for x
    x = 302,133,052.33/21,742.85
  6. Step 6: Final answer
    x = 13,895.74

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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.