Home / 18,984.96-26,203.68-12,273.12

Finding the Fourth Proportional to 18,984.96, 26,203.68 and 12,273.12

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Solution

The fourth proportional to 18,984.96, 26,203.68 and 12,273.12 is: 16,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.96 : 26,203.68 = 12,273.12 : x
  2. Step 2: Convert to fraction form
    18,984.96/26,203.68 = 12,273.12/x
  3. Step 3: Cross multiply
    18,984.96x = 26,203.68 × 12,273.12
  4. Step 4: Simplify right side
    18,984.96x = 321,600,909.08
  5. Step 5: Solve for x
    x = 321,600,909.08/18,984.96
  6. Step 6: Final answer
    x = 16,939.77

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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.