Home / 16,741.45-23,102.85-9,187.80

Finding the Fourth Proportional to 16,741.45, 23,102.85 and 9,187.80

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Solution

The fourth proportional to 16,741.45, 23,102.85 and 9,187.80 is: 12,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,741.45 : 23,102.85 = 9,187.80 : x
  2. Step 2: Convert to fraction form
    16,741.45/23,102.85 = 9,187.80/x
  3. Step 3: Cross multiply
    16,741.45x = 23,102.85 × 9,187.80
  4. Step 4: Simplify right side
    16,741.45x = 212,264,365.23
  5. Step 5: Solve for x
    x = 212,264,365.23/16,741.45
  6. Step 6: Final answer
    x = 12,678.97

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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.