Home / 25,480.94-38,206.69-9,880.34

Finding the Fourth Proportional to 25,480.94, 38,206.69 and 9,880.34

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Solution

The fourth proportional to 25,480.94, 38,206.69 and 9,880.34 is: 14,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.94 : 38,206.69 = 9,880.34 : x
  2. Step 2: Convert to fraction form
    25,480.94/38,206.69 = 9,880.34/x
  3. Step 3: Cross multiply
    25,480.94x = 38,206.69 × 9,880.34
  4. Step 4: Simplify right side
    25,480.94x = 377,494,871.74
  5. Step 5: Solve for x
    x = 377,494,871.74/25,480.94
  6. Step 6: Final answer
    x = 14,814.80

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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.