Home / 14,093.76-21,140.37-3,705.51

Finding the Fourth Proportional to 14,093.76, 21,140.37 and 3,705.51

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Solution

The fourth proportional to 14,093.76, 21,140.37 and 3,705.51 is: 5,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.76 : 21,140.37 = 3,705.51 : x
  2. Step 2: Convert to fraction form
    14,093.76/21,140.37 = 3,705.51/x
  3. Step 3: Cross multiply
    14,093.76x = 21,140.37 × 3,705.51
  4. Step 4: Simplify right side
    14,093.76x = 78,335,852.44
  5. Step 5: Solve for x
    x = 78,335,852.44/14,093.76
  6. Step 6: Final answer
    x = 5,558.19

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1.5x scale

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.