Home / 18,659.25-25,749.77-10,275.75

Finding the Fourth Proportional to 18,659.25, 25,749.77 and 10,275.75

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Solution

The fourth proportional to 18,659.25, 25,749.77 and 10,275.75 is: 14,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.25 : 25,749.77 = 10,275.75 : x
  2. Step 2: Convert to fraction form
    18,659.25/25,749.77 = 10,275.75/x
  3. Step 3: Cross multiply
    18,659.25x = 25,749.77 × 10,275.75
  4. Step 4: Simplify right side
    18,659.25x = 264,598,147.70
  5. Step 5: Solve for x
    x = 264,598,147.70/18,659.25
  6. Step 6: Final answer
    x = 14,180.54

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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.