Home / 18,090.67-24,977.32-11,295.05

Finding the Fourth Proportional to 18,090.67, 24,977.32 and 11,295.05

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Solution

The fourth proportional to 18,090.67, 24,977.32 and 11,295.05 is: 15,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.67 : 24,977.32 = 11,295.05 : x
  2. Step 2: Convert to fraction form
    18,090.67/24,977.32 = 11,295.05/x
  3. Step 3: Cross multiply
    18,090.67x = 24,977.32 × 11,295.05
  4. Step 4: Simplify right side
    18,090.67x = 282,120,078.27
  5. Step 5: Solve for x
    x = 282,120,078.27/18,090.67
  6. Step 6: Final answer
    x = 15,594.78

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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.