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Finding the Fourth Proportional to 14,890.08, 20,683.02 and 14,651.94

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Solution

The fourth proportional to 14,890.08, 20,683.02 and 14,651.94 is: 20,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.08 : 20,683.02 = 14,651.94 : x
  2. Step 2: Convert to fraction form
    14,890.08/20,683.02 = 14,651.94/x
  3. Step 3: Cross multiply
    14,890.08x = 20,683.02 × 14,651.94
  4. Step 4: Simplify right side
    14,890.08x = 303,046,368.06
  5. Step 5: Solve for x
    x = 303,046,368.06/14,890.08
  6. Step 6: Final answer
    x = 20,352.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.