Home / 25,662.48-38,513.25-20,677.03

Finding the Fourth Proportional to 25,662.48, 38,513.25 and 20,677.03

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Solution

The fourth proportional to 25,662.48, 38,513.25 and 20,677.03 is: 31,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.48 : 38,513.25 = 20,677.03 : x
  2. Step 2: Convert to fraction form
    25,662.48/38,513.25 = 20,677.03/x
  3. Step 3: Cross multiply
    25,662.48x = 38,513.25 × 20,677.03
  4. Step 4: Simplify right side
    25,662.48x = 796,339,625.65
  5. Step 5: Solve for x
    x = 796,339,625.65/25,662.48
  6. Step 6: Final answer
    x = 31,031.28

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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.