Home / 16,921.16-23,351.24-9,367.70

Finding the Fourth Proportional to 16,921.16, 23,351.24 and 9,367.70

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Solution

The fourth proportional to 16,921.16, 23,351.24 and 9,367.70 is: 12,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.16 : 23,351.24 = 9,367.70 : x
  2. Step 2: Convert to fraction form
    16,921.16/23,351.24 = 9,367.70/x
  3. Step 3: Cross multiply
    16,921.16x = 23,351.24 × 9,367.70
  4. Step 4: Simplify right side
    16,921.16x = 218,747,364.11
  5. Step 5: Solve for x
    x = 218,747,364.11/16,921.16
  6. Step 6: Final answer
    x = 12,927.45

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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.