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Finding the Fourth Proportional to 14,495.06, 20,012.01 and 13,601.54

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Solution

The fourth proportional to 14,495.06, 20,012.01 and 13,601.54 is: 18,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.06 : 20,012.01 = 13,601.54 : x
  2. Step 2: Convert to fraction form
    14,495.06/20,012.01 = 13,601.54/x
  3. Step 3: Cross multiply
    14,495.06x = 20,012.01 × 13,601.54
  4. Step 4: Simplify right side
    14,495.06x = 272,194,154.50
  5. Step 5: Solve for x
    x = 272,194,154.50/14,495.06
  6. Step 6: Final answer
    x = 18,778.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.