Home / 20,260.94-27,962.62-12,301.07

Finding the Fourth Proportional to 20,260.94, 27,962.62 and 12,301.07

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Solution

The fourth proportional to 20,260.94, 27,962.62 and 12,301.07 is: 16,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.94 : 27,962.62 = 12,301.07 : x
  2. Step 2: Convert to fraction form
    20,260.94/27,962.62 = 12,301.07/x
  3. Step 3: Cross multiply
    20,260.94x = 27,962.62 × 12,301.07
  4. Step 4: Simplify right side
    20,260.94x = 343,969,975.44
  5. Step 5: Solve for x
    x = 343,969,975.44/20,260.94
  6. Step 6: Final answer
    x = 16,977.00

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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.