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Finding the Fourth Proportional to 18,597.58, 25,667.70 and 14,354.80

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Solution

The fourth proportional to 18,597.58, 25,667.70 and 14,354.80 is: 19,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.58 : 25,667.70 = 14,354.80 : x
  2. Step 2: Convert to fraction form
    18,597.58/25,667.70 = 14,354.80/x
  3. Step 3: Cross multiply
    18,597.58x = 25,667.70 × 14,354.80
  4. Step 4: Simplify right side
    18,597.58x = 368,454,699.96
  5. Step 5: Solve for x
    x = 368,454,699.96/18,597.58
  6. Step 6: Final answer
    x = 19,811.97

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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.