Home / 16,986.98-25,468.16-8,558.67

Finding the Fourth Proportional to 16,986.98, 25,468.16 and 8,558.67

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Solution

The fourth proportional to 16,986.98, 25,468.16 and 8,558.67 is: 12,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.98 : 25,468.16 = 8,558.67 : x
  2. Step 2: Convert to fraction form
    16,986.98/25,468.16 = 8,558.67/x
  3. Step 3: Cross multiply
    16,986.98x = 25,468.16 × 8,558.67
  4. Step 4: Simplify right side
    16,986.98x = 217,973,576.95
  5. Step 5: Solve for x
    x = 217,973,576.95/16,986.98
  6. Step 6: Final answer
    x = 12,831.80

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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.