Home / 14,072.57-19,425.05-8,106.62

Finding the Fourth Proportional to 14,072.57, 19,425.05 and 8,106.62

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Solution

The fourth proportional to 14,072.57, 19,425.05 and 8,106.62 is: 11,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.57 : 19,425.05 = 8,106.62 : x
  2. Step 2: Convert to fraction form
    14,072.57/19,425.05 = 8,106.62/x
  3. Step 3: Cross multiply
    14,072.57x = 19,425.05 × 8,106.62
  4. Step 4: Simplify right side
    14,072.57x = 157,471,391.57
  5. Step 5: Solve for x
    x = 157,471,391.57/14,072.57
  6. Step 6: Final answer
    x = 11,189.95

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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.