Home / 15,379.15-23,071.80-4,850.80

Finding the Fourth Proportional to 15,379.15, 23,071.80 and 4,850.80

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Solution

The fourth proportional to 15,379.15, 23,071.80 and 4,850.80 is: 7,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.15 : 23,071.80 = 4,850.80 : x
  2. Step 2: Convert to fraction form
    15,379.15/23,071.80 = 4,850.80/x
  3. Step 3: Cross multiply
    15,379.15x = 23,071.80 × 4,850.80
  4. Step 4: Simplify right side
    15,379.15x = 111,916,687.44
  5. Step 5: Solve for x
    x = 111,916,687.44/15,379.15
  6. Step 6: Final answer
    x = 7,277.17

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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.