Home / 14,364.06-19,815.75-8,395.98

Finding the Fourth Proportional to 14,364.06, 19,815.75 and 8,395.98

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Solution

The fourth proportional to 14,364.06, 19,815.75 and 8,395.98 is: 11,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.06 : 19,815.75 = 8,395.98 : x
  2. Step 2: Convert to fraction form
    14,364.06/19,815.75 = 8,395.98/x
  3. Step 3: Cross multiply
    14,364.06x = 19,815.75 × 8,395.98
  4. Step 4: Simplify right side
    14,364.06x = 166,372,640.69
  5. Step 5: Solve for x
    x = 166,372,640.69/14,364.06
  6. Step 6: Final answer
    x = 11,582.56

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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.