Home / 16,118.68-22,262.58-12,899.68

Finding the Fourth Proportional to 16,118.68, 22,262.58 and 12,899.68

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Solution

The fourth proportional to 16,118.68, 22,262.58 and 12,899.68 is: 17,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.68 : 22,262.58 = 12,899.68 : x
  2. Step 2: Convert to fraction form
    16,118.68/22,262.58 = 12,899.68/x
  3. Step 3: Cross multiply
    16,118.68x = 22,262.58 × 12,899.68
  4. Step 4: Simplify right side
    16,118.68x = 287,180,157.97
  5. Step 5: Solve for x
    x = 287,180,157.97/16,118.68
  6. Step 6: Final answer
    x = 17,816.61

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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.