Home / 14,529.75-21,763.69-10,980.66

Finding the Fourth Proportional to 14,529.75, 21,763.69 and 10,980.66

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Solution

The fourth proportional to 14,529.75, 21,763.69 and 10,980.66 is: 16,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.75 : 21,763.69 = 10,980.66 : x
  2. Step 2: Convert to fraction form
    14,529.75/21,763.69 = 10,980.66/x
  3. Step 3: Cross multiply
    14,529.75x = 21,763.69 × 10,980.66
  4. Step 4: Simplify right side
    14,529.75x = 238,979,516.51
  5. Step 5: Solve for x
    x = 238,979,516.51/14,529.75
  6. Step 6: Final answer
    x = 16,447.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.