Home / 22,209.62-30,651.02-12,649.91

Finding the Fourth Proportional to 22,209.62, 30,651.02 and 12,649.91

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Solution

The fourth proportional to 22,209.62, 30,651.02 and 12,649.91 is: 17,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.62 : 30,651.02 = 12,649.91 : x
  2. Step 2: Convert to fraction form
    22,209.62/30,651.02 = 12,649.91/x
  3. Step 3: Cross multiply
    22,209.62x = 30,651.02 × 12,649.91
  4. Step 4: Simplify right side
    22,209.62x = 387,732,644.41
  5. Step 5: Solve for x
    x = 387,732,644.41/22,209.62
  6. Step 6: Final answer
    x = 17,457.87

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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.