Home / 23,776.45-32,845.68-18,990.11

Finding the Fourth Proportional to 23,776.45, 32,845.68 and 18,990.11

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Solution

The fourth proportional to 23,776.45, 32,845.68 and 18,990.11 is: 26,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,776.45 : 32,845.68 = 18,990.11 : x
  2. Step 2: Convert to fraction form
    23,776.45/32,845.68 = 18,990.11/x
  3. Step 3: Cross multiply
    23,776.45x = 32,845.68 × 18,990.11
  4. Step 4: Simplify right side
    23,776.45x = 623,743,076.22
  5. Step 5: Solve for x
    x = 623,743,076.22/23,776.45
  6. Step 6: Final answer
    x = 26,233.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.