Home / 25,181.55-34,735.23-18,117.54

Finding the Fourth Proportional to 25,181.55, 34,735.23 and 18,117.54

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Solution

The fourth proportional to 25,181.55, 34,735.23 and 18,117.54 is: 24,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.55 : 34,735.23 = 18,117.54 : x
  2. Step 2: Convert to fraction form
    25,181.55/34,735.23 = 18,117.54/x
  3. Step 3: Cross multiply
    25,181.55x = 34,735.23 × 18,117.54
  4. Step 4: Simplify right side
    25,181.55x = 629,316,918.93
  5. Step 5: Solve for x
    x = 629,316,918.93/25,181.55
  6. Step 6: Final answer
    x = 24,991.19

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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.