Home / 18,743.06-25,865.56-10,245.08

Finding the Fourth Proportional to 18,743.06, 25,865.56 and 10,245.08

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Solution

The fourth proportional to 18,743.06, 25,865.56 and 10,245.08 is: 14,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.06 : 25,865.56 = 10,245.08 : x
  2. Step 2: Convert to fraction form
    18,743.06/25,865.56 = 10,245.08/x
  3. Step 3: Cross multiply
    18,743.06x = 25,865.56 × 10,245.08
  4. Step 4: Simplify right side
    18,743.06x = 264,994,576.50
  5. Step 5: Solve for x
    x = 264,994,576.50/18,743.06
  6. Step 6: Final answer
    x = 14,138.28

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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.