Home / 15,860.40-23,790.60-4,768.80

Finding the Fourth Proportional to 15,860.40, 23,790.60 and 4,768.80

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Solution

The fourth proportional to 15,860.40, 23,790.60 and 4,768.80 is: 7,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.40 : 23,790.60 = 4,768.80 : x
  2. Step 2: Convert to fraction form
    15,860.40/23,790.60 = 4,768.80/x
  3. Step 3: Cross multiply
    15,860.40x = 23,790.60 × 4,768.80
  4. Step 4: Simplify right side
    15,860.40x = 113,452,613.28
  5. Step 5: Solve for x
    x = 113,452,613.28/15,860.40
  6. Step 6: Final answer
    x = 7,153.20

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