Home / 16,037.20-22,130.90-8,964.99

Finding the Fourth Proportional to 16,037.20, 22,130.90 and 8,964.99

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Solution

The fourth proportional to 16,037.20, 22,130.90 and 8,964.99 is: 12,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,037.20 : 22,130.90 = 8,964.99 : x
  2. Step 2: Convert to fraction form
    16,037.20/22,130.90 = 8,964.99/x
  3. Step 3: Cross multiply
    16,037.20x = 22,130.90 × 8,964.99
  4. Step 4: Simplify right side
    16,037.20x = 198,403,336.41
  5. Step 5: Solve for x
    x = 198,403,336.41/16,037.20
  6. Step 6: Final answer
    x = 12,371.44

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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.