Home / 15,786.69-23,550.64-15,357.66

Finding the Fourth Proportional to 15,786.69, 23,550.64 and 15,357.66

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Solution

The fourth proportional to 15,786.69, 23,550.64 and 15,357.66 is: 22,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.69 : 23,550.64 = 15,357.66 : x
  2. Step 2: Convert to fraction form
    15,786.69/23,550.64 = 15,357.66/x
  3. Step 3: Cross multiply
    15,786.69x = 23,550.64 × 15,357.66
  4. Step 4: Simplify right side
    15,786.69x = 361,682,683.51
  5. Step 5: Solve for x
    x = 361,682,683.51/15,786.69
  6. Step 6: Final answer
    x = 22,910.61

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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.