Home / 25,501.56-38,181.39-12,994.62

Finding the Fourth Proportional to 25,501.56, 38,181.39 and 12,994.62

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Solution

The fourth proportional to 25,501.56, 38,181.39 and 12,994.62 is: 19,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.56 : 38,181.39 = 12,994.62 : x
  2. Step 2: Convert to fraction form
    25,501.56/38,181.39 = 12,994.62/x
  3. Step 3: Cross multiply
    25,501.56x = 38,181.39 × 12,994.62
  4. Step 4: Simplify right side
    25,501.56x = 496,152,654.12
  5. Step 5: Solve for x
    x = 496,152,654.12/25,501.56
  6. Step 6: Final answer
    x = 19,455.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.