Home / 18,214.75-25,132.03-10,255.39

Finding the Fourth Proportional to 18,214.75, 25,132.03 and 10,255.39

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Solution

The fourth proportional to 18,214.75, 25,132.03 and 10,255.39 is: 14,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.75 : 25,132.03 = 10,255.39 : x
  2. Step 2: Convert to fraction form
    18,214.75/25,132.03 = 10,255.39/x
  3. Step 3: Cross multiply
    18,214.75x = 25,132.03 × 10,255.39
  4. Step 4: Simplify right side
    18,214.75x = 257,738,769.14
  5. Step 5: Solve for x
    x = 257,738,769.14/18,214.75
  6. Step 6: Final answer
    x = 14,150.00

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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.