Home / 18,986.53-28,482.52-5,840.01

Finding the Fourth Proportional to 18,986.53, 28,482.52 and 5,840.01

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Solution

The fourth proportional to 18,986.53, 28,482.52 and 5,840.01 is: 8,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.53 : 28,482.52 = 5,840.01 : x
  2. Step 2: Convert to fraction form
    18,986.53/28,482.52 = 5,840.01/x
  3. Step 3: Cross multiply
    18,986.53x = 28,482.52 × 5,840.01
  4. Step 4: Simplify right side
    18,986.53x = 166,338,201.63
  5. Step 5: Solve for x
    x = 166,338,201.63/18,986.53
  6. Step 6: Final answer
    x = 8,760.85

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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.