Home / 19,561.43-26,994.78-10,608.90

Finding the Fourth Proportional to 19,561.43, 26,994.78 and 10,608.90

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Solution

The fourth proportional to 19,561.43, 26,994.78 and 10,608.90 is: 14,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.43 : 26,994.78 = 10,608.90 : x
  2. Step 2: Convert to fraction form
    19,561.43/26,994.78 = 10,608.90/x
  3. Step 3: Cross multiply
    19,561.43x = 26,994.78 × 10,608.90
  4. Step 4: Simplify right side
    19,561.43x = 286,384,921.54
  5. Step 5: Solve for x
    x = 286,384,921.54/19,561.43
  6. Step 6: Final answer
    x = 14,640.29

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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.