Home / 25,676.50-38,518.78-10,885.48

Finding the Fourth Proportional to 25,676.50, 38,518.78 and 10,885.48

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Solution

The fourth proportional to 25,676.50, 38,518.78 and 10,885.48 is: 16,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.50 : 38,518.78 = 10,885.48 : x
  2. Step 2: Convert to fraction form
    25,676.50/38,518.78 = 10,885.48/x
  3. Step 3: Cross multiply
    25,676.50x = 38,518.78 × 10,885.48
  4. Step 4: Simplify right side
    25,676.50x = 419,295,409.31
  5. Step 5: Solve for x
    x = 419,295,409.31/25,676.50
  6. Step 6: Final answer
    x = 16,329.93

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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.