Home / 18,698.56-25,803.93-10,200.55

Finding the Fourth Proportional to 18,698.56, 25,803.93 and 10,200.55

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Solution

The fourth proportional to 18,698.56, 25,803.93 and 10,200.55 is: 14,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.56 : 25,803.93 = 10,200.55 : x
  2. Step 2: Convert to fraction form
    18,698.56/25,803.93 = 10,200.55/x
  3. Step 3: Cross multiply
    18,698.56x = 25,803.93 × 10,200.55
  4. Step 4: Simplify right side
    18,698.56x = 263,214,278.16
  5. Step 5: Solve for x
    x = 263,214,278.16/18,698.56
  6. Step 6: Final answer
    x = 14,076.71

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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.