Home / 14,048.41-19,386.44-7,760.65

Finding the Fourth Proportional to 14,048.41, 19,386.44 and 7,760.65

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Solution

The fourth proportional to 14,048.41, 19,386.44 and 7,760.65 is: 10,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.41 : 19,386.44 = 7,760.65 : x
  2. Step 2: Convert to fraction form
    14,048.41/19,386.44 = 7,760.65/x
  3. Step 3: Cross multiply
    14,048.41x = 19,386.44 × 7,760.65
  4. Step 4: Simplify right side
    14,048.41x = 150,451,336.78
  5. Step 5: Solve for x
    x = 150,451,336.78/14,048.41
  6. Step 6: Final answer
    x = 10,709.49

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Double scale
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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.