Home / 14,076.46-21,120.81-8,823.50

Finding the Fourth Proportional to 14,076.46, 21,120.81 and 8,823.50

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Solution

The fourth proportional to 14,076.46, 21,120.81 and 8,823.50 is: 13,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.46 : 21,120.81 = 8,823.50 : x
  2. Step 2: Convert to fraction form
    14,076.46/21,120.81 = 8,823.50/x
  3. Step 3: Cross multiply
    14,076.46x = 21,120.81 × 8,823.50
  4. Step 4: Simplify right side
    14,076.46x = 186,359,467.04
  5. Step 5: Solve for x
    x = 186,359,467.04/14,076.46
  6. Step 6: Final answer
    x = 13,239.09

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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.