Home / 12,622.48-18,933.56-4,300.24

Finding the Fourth Proportional to 12,622.48, 18,933.56 and 4,300.24

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Solution

The fourth proportional to 12,622.48, 18,933.56 and 4,300.24 is: 6,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.48 : 18,933.56 = 4,300.24 : x
  2. Step 2: Convert to fraction form
    12,622.48/18,933.56 = 4,300.24/x
  3. Step 3: Cross multiply
    12,622.48x = 18,933.56 × 4,300.24
  4. Step 4: Simplify right side
    12,622.48x = 81,418,852.05
  5. Step 5: Solve for x
    x = 81,418,852.05/12,622.48
  6. Step 6: Final answer
    x = 6,450.31

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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.