Home / 19,072.30-28,600.35-9,214.60

Finding the Fourth Proportional to 19,072.30, 28,600.35 and 9,214.60

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Solution

The fourth proportional to 19,072.30, 28,600.35 and 9,214.60 is: 13,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.30 : 28,600.35 = 9,214.60 : x
  2. Step 2: Convert to fraction form
    19,072.30/28,600.35 = 9,214.60/x
  3. Step 3: Cross multiply
    19,072.30x = 28,600.35 × 9,214.60
  4. Step 4: Simplify right side
    19,072.30x = 263,540,785.11
  5. Step 5: Solve for x
    x = 263,540,785.11/19,072.30
  6. Step 6: Final answer
    x = 13,817.99

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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.