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Finding the Fourth Proportional to 18,852.60, 26,024.78 and 14,654.20

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Solution

The fourth proportional to 18,852.60, 26,024.78 and 14,654.20 is: 20,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.60 : 26,024.78 = 14,654.20 : x
  2. Step 2: Convert to fraction form
    18,852.60/26,024.78 = 14,654.20/x
  3. Step 3: Cross multiply
    18,852.60x = 26,024.78 × 14,654.20
  4. Step 4: Simplify right side
    18,852.60x = 381,372,331.08
  5. Step 5: Solve for x
    x = 381,372,331.08/18,852.60
  6. Step 6: Final answer
    x = 20,229.16

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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.