Home / 14,170.92-19,555.34-7,883.70

Finding the Fourth Proportional to 14,170.92, 19,555.34 and 7,883.70

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Solution

The fourth proportional to 14,170.92, 19,555.34 and 7,883.70 is: 10,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.92 : 19,555.34 = 7,883.70 : x
  2. Step 2: Convert to fraction form
    14,170.92/19,555.34 = 7,883.70/x
  3. Step 3: Cross multiply
    14,170.92x = 19,555.34 × 7,883.70
  4. Step 4: Simplify right side
    14,170.92x = 154,168,394.54
  5. Step 5: Solve for x
    x = 154,168,394.54/14,170.92
  6. Step 6: Final answer
    x = 10,879.21

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Double scale
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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.