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Finding the Fourth Proportional to 18,484.92, 25,512.15 and 14,536.02

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Solution

The fourth proportional to 18,484.92, 25,512.15 and 14,536.02 is: 20,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.92 : 25,512.15 = 14,536.02 : x
  2. Step 2: Convert to fraction form
    18,484.92/25,512.15 = 14,536.02/x
  3. Step 3: Cross multiply
    18,484.92x = 25,512.15 × 14,536.02
  4. Step 4: Simplify right side
    18,484.92x = 370,845,122.64
  5. Step 5: Solve for x
    x = 370,845,122.64/18,484.92
  6. Step 6: Final answer
    x = 20,062.04

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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.