Home / 18,548.23-25,582.60-12,882.99

Finding the Fourth Proportional to 18,548.23, 25,582.60 and 12,882.99

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Solution

The fourth proportional to 18,548.23, 25,582.60 and 12,882.99 is: 17,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.23 : 25,582.60 = 12,882.99 : x
  2. Step 2: Convert to fraction form
    18,548.23/25,582.60 = 12,882.99/x
  3. Step 3: Cross multiply
    18,548.23x = 25,582.60 × 12,882.99
  4. Step 4: Simplify right side
    18,548.23x = 329,580,379.97
  5. Step 5: Solve for x
    x = 329,580,379.97/18,548.23
  6. Step 6: Final answer
    x = 17,768.83

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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.