Home / 16,132.20-22,260.90-9,057

Finding the Fourth Proportional to 16,132.20, 22,260.90 and 9,057

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Solution

The fourth proportional to 16,132.20, 22,260.90 and 9,057 is: 12,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132.20 : 22,260.90 = 9,057 : x
  2. Step 2: Convert to fraction form
    16,132.20/22,260.90 = 9,057/x
  3. Step 3: Cross multiply
    16,132.20x = 22,260.90 × 9,057
  4. Step 4: Simplify right side
    16,132.20x = 201,616,971.30
  5. Step 5: Solve for x
    x = 201,616,971.30/16,132.20
  6. Step 6: Final answer
    x = 12,497.80

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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.