Home / 18,664.43-25,760.43-10,711.85

Finding the Fourth Proportional to 18,664.43, 25,760.43 and 10,711.85

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Solution

The fourth proportional to 18,664.43, 25,760.43 and 10,711.85 is: 14,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.43 : 25,760.43 = 10,711.85 : x
  2. Step 2: Convert to fraction form
    18,664.43/25,760.43 = 10,711.85/x
  3. Step 3: Cross multiply
    18,664.43x = 25,760.43 × 10,711.85
  4. Step 4: Simplify right side
    18,664.43x = 275,941,733.29
  5. Step 5: Solve for x
    x = 275,941,733.29/18,664.43
  6. Step 6: Final answer
    x = 14,784.37

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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.