Home / 30,174.04-41,642.66-16,745.05

Finding the Fourth Proportional to 30,174.04, 41,642.66 and 16,745.05

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Solution

The fourth proportional to 30,174.04, 41,642.66 and 16,745.05 is: 23,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.04 : 41,642.66 = 16,745.05 : x
  2. Step 2: Convert to fraction form
    30,174.04/41,642.66 = 16,745.05/x
  3. Step 3: Cross multiply
    30,174.04x = 41,642.66 × 16,745.05
  4. Step 4: Simplify right side
    30,174.04x = 697,308,131.89
  5. Step 5: Solve for x
    x = 697,308,131.89/30,174.04
  6. Step 6: Final answer
    x = 23,109.54

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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.