Home / 20,150.04-27,809.52-12,195.02

Finding the Fourth Proportional to 20,150.04, 27,809.52 and 12,195.02

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Solution

The fourth proportional to 20,150.04, 27,809.52 and 12,195.02 is: 16,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.04 : 27,809.52 = 12,195.02 : x
  2. Step 2: Convert to fraction form
    20,150.04/27,809.52 = 12,195.02/x
  3. Step 3: Cross multiply
    20,150.04x = 27,809.52 × 12,195.02
  4. Step 4: Simplify right side
    20,150.04x = 339,137,652.59
  5. Step 5: Solve for x
    x = 339,137,652.59/20,150.04
  6. Step 6: Final answer
    x = 16,830.62

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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.