Home / 19,367.89-26,733.41-11,412.68

Finding the Fourth Proportional to 19,367.89, 26,733.41 and 11,412.68

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Solution

The fourth proportional to 19,367.89, 26,733.41 and 11,412.68 is: 15,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.89 : 26,733.41 = 11,412.68 : x
  2. Step 2: Convert to fraction form
    19,367.89/26,733.41 = 11,412.68/x
  3. Step 3: Cross multiply
    19,367.89x = 26,733.41 × 11,412.68
  4. Step 4: Simplify right side
    19,367.89x = 305,099,705.71
  5. Step 5: Solve for x
    x = 305,099,705.71/19,367.89
  6. Step 6: Final answer
    x = 15,752.86

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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.