Home / 14,477.37-19,979.73-8,104.56

Finding the Fourth Proportional to 14,477.37, 19,979.73 and 8,104.56

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Solution

The fourth proportional to 14,477.37, 19,979.73 and 8,104.56 is: 11,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.37 : 19,979.73 = 8,104.56 : x
  2. Step 2: Convert to fraction form
    14,477.37/19,979.73 = 8,104.56/x
  3. Step 3: Cross multiply
    14,477.37x = 19,979.73 × 8,104.56
  4. Step 4: Simplify right side
    14,477.37x = 161,926,920.57
  5. Step 5: Solve for x
    x = 161,926,920.57/14,477.37
  6. Step 6: Final answer
    x = 11,184.83

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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.