Home / 25,318.98-37,936.82-8,669.84

Finding the Fourth Proportional to 25,318.98, 37,936.82 and 8,669.84

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Solution

The fourth proportional to 25,318.98, 37,936.82 and 8,669.84 is: 12,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.98 : 37,936.82 = 8,669.84 : x
  2. Step 2: Convert to fraction form
    25,318.98/37,936.82 = 8,669.84/x
  3. Step 3: Cross multiply
    25,318.98x = 37,936.82 × 8,669.84
  4. Step 4: Simplify right side
    25,318.98x = 328,905,991.50
  5. Step 5: Solve for x
    x = 328,905,991.50/25,318.98
  6. Step 6: Final answer
    x = 12,990.49

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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.