Home / 14,272.79-21,412.44-7,698.83

Finding the Fourth Proportional to 14,272.79, 21,412.44 and 7,698.83

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Solution

The fourth proportional to 14,272.79, 21,412.44 and 7,698.83 is: 11,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.79 : 21,412.44 = 7,698.83 : x
  2. Step 2: Convert to fraction form
    14,272.79/21,412.44 = 7,698.83/x
  3. Step 3: Cross multiply
    14,272.79x = 21,412.44 × 7,698.83
  4. Step 4: Simplify right side
    14,272.79x = 164,850,735.45
  5. Step 5: Solve for x
    x = 164,850,735.45/14,272.79
  6. Step 6: Final answer
    x = 11,550.00

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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.