Home / 16,782.54-23,159.43-9,228.89

Finding the Fourth Proportional to 16,782.54, 23,159.43 and 9,228.89

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Solution

The fourth proportional to 16,782.54, 23,159.43 and 9,228.89 is: 12,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.54 : 23,159.43 = 9,228.89 : x
  2. Step 2: Convert to fraction form
    16,782.54/23,159.43 = 9,228.89/x
  3. Step 3: Cross multiply
    16,782.54x = 23,159.43 × 9,228.89
  4. Step 4: Simplify right side
    16,782.54x = 213,735,831.93
  5. Step 5: Solve for x
    x = 213,735,831.93/16,782.54
  6. Step 6: Final answer
    x = 12,735.61

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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.