Home / 34,016.72-46,942.77-18,909

Finding the Fourth Proportional to 34,016.72, 46,942.77 and 18,909

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Solution

The fourth proportional to 34,016.72, 46,942.77 and 18,909 is: 26,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,016.72 : 46,942.77 = 18,909 : x
  2. Step 2: Convert to fraction form
    34,016.72/46,942.77 = 18,909/x
  3. Step 3: Cross multiply
    34,016.72x = 46,942.77 × 18,909
  4. Step 4: Simplify right side
    34,016.72x = 887,640,837.93
  5. Step 5: Solve for x
    x = 887,640,837.93/34,016.72
  6. Step 6: Final answer
    x = 26,094.25

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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.