Home / 19,273.68-26,586.18-12,187.80

Finding the Fourth Proportional to 19,273.68, 26,586.18 and 12,187.80

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Solution

The fourth proportional to 19,273.68, 26,586.18 and 12,187.80 is: 16,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.68 : 26,586.18 = 12,187.80 : x
  2. Step 2: Convert to fraction form
    19,273.68/26,586.18 = 12,187.80/x
  3. Step 3: Cross multiply
    19,273.68x = 26,586.18 × 12,187.80
  4. Step 4: Simplify right side
    19,273.68x = 324,027,044.60
  5. Step 5: Solve for x
    x = 324,027,044.60/19,273.68
  6. Step 6: Final answer
    x = 16,811.89

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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.