Home / 21,523.13-32,286.56-5,940.76

Finding the Fourth Proportional to 21,523.13, 32,286.56 and 5,940.76

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Solution

The fourth proportional to 21,523.13, 32,286.56 and 5,940.76 is: 8,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.13 : 32,286.56 = 5,940.76 : x
  2. Step 2: Convert to fraction form
    21,523.13/32,286.56 = 5,940.76/x
  3. Step 3: Cross multiply
    21,523.13x = 32,286.56 × 5,940.76
  4. Step 4: Simplify right side
    21,523.13x = 191,806,513.05
  5. Step 5: Solve for x
    x = 191,806,513.05/21,523.13
  6. Step 6: Final answer
    x = 8,911.65

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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.