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Finding the Fourth Proportional to 18,524.84, 25,564.29 and 10,141.34

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Solution

The fourth proportional to 18,524.84, 25,564.29 and 10,141.34 is: 13,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.84 : 25,564.29 = 10,141.34 : x
  2. Step 2: Convert to fraction form
    18,524.84/25,564.29 = 10,141.34/x
  3. Step 3: Cross multiply
    18,524.84x = 25,564.29 × 10,141.34
  4. Step 4: Simplify right side
    18,524.84x = 259,256,156.75
  5. Step 5: Solve for x
    x = 259,256,156.75/18,524.84
  6. Step 6: Final answer
    x = 13,995.06

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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.