Home / 16,831.67-23,227.58-9,278

Finding the Fourth Proportional to 16,831.67, 23,227.58 and 9,278

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Solution

The fourth proportional to 16,831.67, 23,227.58 and 9,278 is: 12,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.67 : 23,227.58 = 9,278 : x
  2. Step 2: Convert to fraction form
    16,831.67/23,227.58 = 9,278/x
  3. Step 3: Cross multiply
    16,831.67x = 23,227.58 × 9,278
  4. Step 4: Simplify right side
    16,831.67x = 215,505,487.24
  5. Step 5: Solve for x
    x = 215,505,487.24/16,831.67
  6. Step 6: Final answer
    x = 12,803.57

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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.