Home / 14,120.24-21,176.64-6,709.95

Finding the Fourth Proportional to 14,120.24, 21,176.64 and 6,709.95

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Solution

The fourth proportional to 14,120.24, 21,176.64 and 6,709.95 is: 10,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.24 : 21,176.64 = 6,709.95 : x
  2. Step 2: Convert to fraction form
    14,120.24/21,176.64 = 6,709.95/x
  3. Step 3: Cross multiply
    14,120.24x = 21,176.64 × 6,709.95
  4. Step 4: Simplify right side
    14,120.24x = 142,094,195.57
  5. Step 5: Solve for x
    x = 142,094,195.57/14,120.24
  6. Step 6: Final answer
    x = 10,063.16

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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.