Home / 25,665.27-38,516.33-10,878.31

Finding the Fourth Proportional to 25,665.27, 38,516.33 and 10,878.31

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Solution

The fourth proportional to 25,665.27, 38,516.33 and 10,878.31 is: 16,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.27 : 38,516.33 = 10,878.31 : x
  2. Step 2: Convert to fraction form
    25,665.27/38,516.33 = 10,878.31/x
  3. Step 3: Cross multiply
    25,665.27x = 38,516.33 × 10,878.31
  4. Step 4: Simplify right side
    25,665.27x = 418,992,577.80
  5. Step 5: Solve for x
    x = 418,992,577.80/25,665.27
  6. Step 6: Final answer
    x = 16,325.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.