Home / 18,698.39-25,803.41-10,200.53

Finding the Fourth Proportional to 18,698.39, 25,803.41 and 10,200.53

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Solution

The fourth proportional to 18,698.39, 25,803.41 and 10,200.53 is: 14,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.39 : 25,803.41 = 10,200.53 : x
  2. Step 2: Convert to fraction form
    18,698.39/25,803.41 = 10,200.53/x
  3. Step 3: Cross multiply
    18,698.39x = 25,803.41 × 10,200.53
  4. Step 4: Simplify right side
    18,698.39x = 263,208,528.69
  5. Step 5: Solve for x
    x = 263,208,528.69/18,698.39
  6. Step 6: Final answer
    x = 14,076.53

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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.