Home / 25,113.99-34,651.49-15,040.56

Finding the Fourth Proportional to 25,113.99, 34,651.49 and 15,040.56

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Solution

The fourth proportional to 25,113.99, 34,651.49 and 15,040.56 is: 20,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.99 : 34,651.49 = 15,040.56 : x
  2. Step 2: Convert to fraction form
    25,113.99/34,651.49 = 15,040.56/x
  3. Step 3: Cross multiply
    25,113.99x = 34,651.49 × 15,040.56
  4. Step 4: Simplify right side
    25,113.99x = 521,177,739.23
  5. Step 5: Solve for x
    x = 521,177,739.23/25,113.99
  6. Step 6: Final answer
    x = 20,752.49

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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.