Home / 18,704.04-28,056.06-6,858.36

Finding the Fourth Proportional to 18,704.04, 28,056.06 and 6,858.36

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Solution

The fourth proportional to 18,704.04, 28,056.06 and 6,858.36 is: 10,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.04 : 28,056.06 = 6,858.36 : x
  2. Step 2: Convert to fraction form
    18,704.04/28,056.06 = 6,858.36/x
  3. Step 3: Cross multiply
    18,704.04x = 28,056.06 × 6,858.36
  4. Step 4: Simplify right side
    18,704.04x = 192,418,559.66
  5. Step 5: Solve for x
    x = 192,418,559.66/18,704.04
  6. Step 6: Final answer
    x = 10,287.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.