Home / 25,852.08-38,769.96-8,318

Finding the Fourth Proportional to 25,852.08, 38,769.96 and 8,318

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Solution

The fourth proportional to 25,852.08, 38,769.96 and 8,318 is: 12,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.08 : 38,769.96 = 8,318 : x
  2. Step 2: Convert to fraction form
    25,852.08/38,769.96 = 8,318/x
  3. Step 3: Cross multiply
    25,852.08x = 38,769.96 × 8,318
  4. Step 4: Simplify right side
    25,852.08x = 322,488,527.28
  5. Step 5: Solve for x
    x = 322,488,527.28/25,852.08
  6. Step 6: Final answer
    x = 12,474.37

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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.