Home / 19,886.24-29,794.25-10,505.54

Finding the Fourth Proportional to 19,886.24, 29,794.25 and 10,505.54

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Solution

The fourth proportional to 19,886.24, 29,794.25 and 10,505.54 is: 15,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.24 : 29,794.25 = 10,505.54 : x
  2. Step 2: Convert to fraction form
    19,886.24/29,794.25 = 10,505.54/x
  3. Step 3: Cross multiply
    19,886.24x = 29,794.25 × 10,505.54
  4. Step 4: Simplify right side
    19,886.24x = 313,004,483.65
  5. Step 5: Solve for x
    x = 313,004,483.65/19,886.24
  6. Step 6: Final answer
    x = 15,739.76

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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.