Home / 18,982.44-26,196.12-10,485

Finding the Fourth Proportional to 18,982.44, 26,196.12 and 10,485

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Solution

The fourth proportional to 18,982.44, 26,196.12 and 10,485 is: 14,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.44 : 26,196.12 = 10,485 : x
  2. Step 2: Convert to fraction form
    18,982.44/26,196.12 = 10,485/x
  3. Step 3: Cross multiply
    18,982.44x = 26,196.12 × 10,485
  4. Step 4: Simplify right side
    18,982.44x = 274,666,318.20
  5. Step 5: Solve for x
    x = 274,666,318.20/18,982.44
  6. Step 6: Final answer
    x = 14,469.49

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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.