Home / 25,310.24-37,914.32-21,191.38

Finding the Fourth Proportional to 25,310.24, 37,914.32 and 21,191.38

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Solution

The fourth proportional to 25,310.24, 37,914.32 and 21,191.38 is: 31,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.24 : 37,914.32 = 21,191.38 : x
  2. Step 2: Convert to fraction form
    25,310.24/37,914.32 = 21,191.38/x
  3. Step 3: Cross multiply
    25,310.24x = 37,914.32 × 21,191.38
  4. Step 4: Simplify right side
    25,310.24x = 803,456,762.56
  5. Step 5: Solve for x
    x = 803,456,762.56/25,310.24
  6. Step 6: Final answer
    x = 31,744.34

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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.