Home / 16,831.84-23,227.94-9,278.30

Finding the Fourth Proportional to 16,831.84, 23,227.94 and 9,278.30

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Solution

The fourth proportional to 16,831.84, 23,227.94 and 9,278.30 is: 12,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.84 : 23,227.94 = 9,278.30 : x
  2. Step 2: Convert to fraction form
    16,831.84/23,227.94 = 9,278.30/x
  3. Step 3: Cross multiply
    16,831.84x = 23,227.94 × 9,278.30
  4. Step 4: Simplify right side
    16,831.84x = 215,515,808.42
  5. Step 5: Solve for x
    x = 215,515,808.42/16,831.84
  6. Step 6: Final answer
    x = 12,804.05

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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.