Home / 18,738.89-25,832.84-11,564.00

Finding the Fourth Proportional to 18,738.89, 25,832.84 and 11,564.00

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Solution

The fourth proportional to 18,738.89, 25,832.84 and 11,564.00 is: 15,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.89 : 25,832.84 = 11,564.00 : x
  2. Step 2: Convert to fraction form
    18,738.89/25,832.84 = 11,564.00/x
  3. Step 3: Cross multiply
    18,738.89x = 25,832.84 × 11,564.00
  4. Step 4: Simplify right side
    18,738.89x = 298,730,774.78
  5. Step 5: Solve for x
    x = 298,730,774.78/18,738.89
  6. Step 6: Final answer
    x = 15,941.76

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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.