Home / 14,650.74-21,969.54-8,730.42

Finding the Fourth Proportional to 14,650.74, 21,969.54 and 8,730.42

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Solution

The fourth proportional to 14,650.74, 21,969.54 and 8,730.42 is: 13,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.74 : 21,969.54 = 8,730.42 : x
  2. Step 2: Convert to fraction form
    14,650.74/21,969.54 = 8,730.42/x
  3. Step 3: Cross multiply
    14,650.74x = 21,969.54 × 8,730.42
  4. Step 4: Simplify right side
    14,650.74x = 191,803,311.41
  5. Step 5: Solve for x
    x = 191,803,311.41/14,650.74
  6. Step 6: Final answer
    x = 13,091.71

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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.