Home / 18,788.09-25,789.39-16,616.00

Finding the Fourth Proportional to 18,788.09, 25,789.39 and 16,616.00

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Solution

The fourth proportional to 18,788.09, 25,789.39 and 16,616.00 is: 22,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.09 : 25,789.39 = 16,616.00 : x
  2. Step 2: Convert to fraction form
    18,788.09/25,789.39 = 16,616.00/x
  3. Step 3: Cross multiply
    18,788.09x = 25,789.39 × 16,616.00
  4. Step 4: Simplify right side
    18,788.09x = 428,516,527.17
  5. Step 5: Solve for x
    x = 428,516,527.17/18,788.09
  6. Step 6: Final answer
    x = 22,807.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.