Home / 25,750.84-38,629.88-8,214.72

Finding the Fourth Proportional to 25,750.84, 38,629.88 and 8,214.72

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Solution

The fourth proportional to 25,750.84, 38,629.88 and 8,214.72 is: 12,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.84 : 38,629.88 = 8,214.72 : x
  2. Step 2: Convert to fraction form
    25,750.84/38,629.88 = 8,214.72/x
  3. Step 3: Cross multiply
    25,750.84x = 38,629.88 × 8,214.72
  4. Step 4: Simplify right side
    25,750.84x = 317,333,647.83
  5. Step 5: Solve for x
    x = 317,333,647.83/25,750.84
  6. Step 6: Final answer
    x = 12,323.23

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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.