Home / 14,027.80-21,041.70-4,166.20

Finding the Fourth Proportional to 14,027.80, 21,041.70 and 4,166.20

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Solution

The fourth proportional to 14,027.80, 21,041.70 and 4,166.20 is: 6,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.80 : 21,041.70 = 4,166.20 : x
  2. Step 2: Convert to fraction form
    14,027.80/21,041.70 = 4,166.20/x
  3. Step 3: Cross multiply
    14,027.80x = 21,041.70 × 4,166.20
  4. Step 4: Simplify right side
    14,027.80x = 87,663,930.54
  5. Step 5: Solve for x
    x = 87,663,930.54/14,027.80
  6. Step 6: Final answer
    x = 6,249.30

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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.