Home / 11,823.78-17,631.37-11,242.41

Finding the Fourth Proportional to 11,823.78, 17,631.37 and 11,242.41

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Solution

The fourth proportional to 11,823.78, 17,631.37 and 11,242.41 is: 16,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.78 : 17,631.37 = 11,242.41 : x
  2. Step 2: Convert to fraction form
    11,823.78/17,631.37 = 11,242.41/x
  3. Step 3: Cross multiply
    11,823.78x = 17,631.37 × 11,242.41
  4. Step 4: Simplify right side
    11,823.78x = 198,219,090.40
  5. Step 5: Solve for x
    x = 198,219,090.40/11,823.78
  6. Step 6: Final answer
    x = 16,764.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.