Home / 12,463.52-18,668.90-10,081.38

Finding the Fourth Proportional to 12,463.52, 18,668.90 and 10,081.38

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Solution

The fourth proportional to 12,463.52, 18,668.90 and 10,081.38 is: 15,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.52 : 18,668.90 = 10,081.38 : x
  2. Step 2: Convert to fraction form
    12,463.52/18,668.90 = 10,081.38/x
  3. Step 3: Cross multiply
    12,463.52x = 18,668.90 × 10,081.38
  4. Step 4: Simplify right side
    12,463.52x = 188,208,275.08
  5. Step 5: Solve for x
    x = 188,208,275.08/12,463.52
  6. Step 6: Final answer
    x = 15,100.73

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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.