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Finding the Fourth Proportional to 14,465.49, 20,064.63 and 14,081.62

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Solution

The fourth proportional to 14,465.49, 20,064.63 and 14,081.62 is: 19,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.49 : 20,064.63 = 14,081.62 : x
  2. Step 2: Convert to fraction form
    14,465.49/20,064.63 = 14,081.62/x
  3. Step 3: Cross multiply
    14,465.49x = 20,064.63 × 14,081.62
  4. Step 4: Simplify right side
    14,465.49x = 282,542,495.10
  5. Step 5: Solve for x
    x = 282,542,495.10/14,465.49
  6. Step 6: Final answer
    x = 19,532.18

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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.