Home / 18,731.43-25,852.29-10,771.96

Finding the Fourth Proportional to 18,731.43, 25,852.29 and 10,771.96

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Solution

The fourth proportional to 18,731.43, 25,852.29 and 10,771.96 is: 14,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.43 : 25,852.29 = 10,771.96 : x
  2. Step 2: Convert to fraction form
    18,731.43/25,852.29 = 10,771.96/x
  3. Step 3: Cross multiply
    18,731.43x = 25,852.29 × 10,771.96
  4. Step 4: Simplify right side
    18,731.43x = 278,479,833.79
  5. Step 5: Solve for x
    x = 278,479,833.79/18,731.43
  6. Step 6: Final answer
    x = 14,866.98

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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.