Home / 16,156.74-22,295.93-8,986.64

Finding the Fourth Proportional to 16,156.74, 22,295.93 and 8,986.64

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Solution

The fourth proportional to 16,156.74, 22,295.93 and 8,986.64 is: 12,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.74 : 22,295.93 = 8,986.64 : x
  2. Step 2: Convert to fraction form
    16,156.74/22,295.93 = 8,986.64/x
  3. Step 3: Cross multiply
    16,156.74x = 22,295.93 × 8,986.64
  4. Step 4: Simplify right side
    16,156.74x = 200,365,339.96
  5. Step 5: Solve for x
    x = 200,365,339.96/16,156.74
  6. Step 6: Final answer
    x = 12,401.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.