Home / 15,012.46-22,519.84-5,151.66

Finding the Fourth Proportional to 15,012.46, 22,519.84 and 5,151.66

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Solution

The fourth proportional to 15,012.46, 22,519.84 and 5,151.66 is: 7,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.46 : 22,519.84 = 5,151.66 : x
  2. Step 2: Convert to fraction form
    15,012.46/22,519.84 = 5,151.66/x
  3. Step 3: Cross multiply
    15,012.46x = 22,519.84 × 5,151.66
  4. Step 4: Simplify right side
    15,012.46x = 116,014,558.93
  5. Step 5: Solve for x
    x = 116,014,558.93/15,012.46
  6. Step 6: Final answer
    x = 7,727.88

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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.