Home / 19,212.28-26,512.62-10,828.84

Finding the Fourth Proportional to 19,212.28, 26,512.62 and 10,828.84

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Solution

The fourth proportional to 19,212.28, 26,512.62 and 10,828.84 is: 14,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.28 : 26,512.62 = 10,828.84 : x
  2. Step 2: Convert to fraction form
    19,212.28/26,512.62 = 10,828.84/x
  3. Step 3: Cross multiply
    19,212.28x = 26,512.62 × 10,828.84
  4. Step 4: Simplify right side
    19,212.28x = 287,100,919.96
  5. Step 5: Solve for x
    x = 287,100,919.96/19,212.28
  6. Step 6: Final answer
    x = 14,943.62

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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.