Home / 25,647.64-38,485.00-18,199.33

Finding the Fourth Proportional to 25,647.64, 38,485.00 and 18,199.33

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Solution

The fourth proportional to 25,647.64, 38,485.00 and 18,199.33 is: 27,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.64 : 38,485.00 = 18,199.33 : x
  2. Step 2: Convert to fraction form
    25,647.64/38,485.00 = 18,199.33/x
  3. Step 3: Cross multiply
    25,647.64x = 38,485.00 × 18,199.33
  4. Step 4: Simplify right side
    25,647.64x = 700,401,213.75
  5. Step 5: Solve for x
    x = 700,401,213.75/25,647.64
  6. Step 6: Final answer
    x = 27,308.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.