Home / 19,911.89-27,474.00-11,523.53

Finding the Fourth Proportional to 19,911.89, 27,474.00 and 11,523.53

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Solution

The fourth proportional to 19,911.89, 27,474.00 and 11,523.53 is: 15,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.89 : 27,474.00 = 11,523.53 : x
  2. Step 2: Convert to fraction form
    19,911.89/27,474.00 = 11,523.53/x
  3. Step 3: Cross multiply
    19,911.89x = 27,474.00 × 11,523.53
  4. Step 4: Simplify right side
    19,911.89x = 316,597,468.75
  5. Step 5: Solve for x
    x = 316,597,468.75/19,911.89
  6. Step 6: Final answer
    x = 15,899.92

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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.