Home / 15,351.68-22,907.77-13,696.85

Finding the Fourth Proportional to 15,351.68, 22,907.77 and 13,696.85

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Solution

The fourth proportional to 15,351.68, 22,907.77 and 13,696.85 is: 20,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.68 : 22,907.77 = 13,696.85 : x
  2. Step 2: Convert to fraction form
    15,351.68/22,907.77 = 13,696.85/x
  3. Step 3: Cross multiply
    15,351.68x = 22,907.77 × 13,696.85
  4. Step 4: Simplify right side
    15,351.68x = 313,764,289.52
  5. Step 5: Solve for x
    x = 313,764,289.52/15,351.68
  6. Step 6: Final answer
    x = 20,438.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.