Home / 16,043.70-22,140.36-8,969.97

Finding the Fourth Proportional to 16,043.70, 22,140.36 and 8,969.97

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Solution

The fourth proportional to 16,043.70, 22,140.36 and 8,969.97 is: 12,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.70 : 22,140.36 = 8,969.97 : x
  2. Step 2: Convert to fraction form
    16,043.70/22,140.36 = 8,969.97/x
  3. Step 3: Cross multiply
    16,043.70x = 22,140.36 × 8,969.97
  4. Step 4: Simplify right side
    16,043.70x = 198,598,364.99
  5. Step 5: Solve for x
    x = 198,598,364.99/16,043.70
  6. Step 6: Final answer
    x = 12,378.59

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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.