Home / 25,192.51-34,751.44-15,115.22

Finding the Fourth Proportional to 25,192.51, 34,751.44 and 15,115.22

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Solution

The fourth proportional to 25,192.51, 34,751.44 and 15,115.22 is: 20,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,192.51 : 34,751.44 = 15,115.22 : x
  2. Step 2: Convert to fraction form
    25,192.51/34,751.44 = 15,115.22/x
  3. Step 3: Cross multiply
    25,192.51x = 34,751.44 × 15,115.22
  4. Step 4: Simplify right side
    25,192.51x = 525,275,660.92
  5. Step 5: Solve for x
    x = 525,275,660.92/25,192.51
  6. Step 6: Final answer
    x = 20,850.47

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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.