Home / 14,664.07-20,236.43-7,949.69

Finding the Fourth Proportional to 14,664.07, 20,236.43 and 7,949.69

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Solution

The fourth proportional to 14,664.07, 20,236.43 and 7,949.69 is: 10,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.07 : 20,236.43 = 7,949.69 : x
  2. Step 2: Convert to fraction form
    14,664.07/20,236.43 = 7,949.69/x
  3. Step 3: Cross multiply
    14,664.07x = 20,236.43 × 7,949.69
  4. Step 4: Simplify right side
    14,664.07x = 160,873,415.67
  5. Step 5: Solve for x
    x = 160,873,415.67/14,664.07
  6. Step 6: Final answer
    x = 10,970.59

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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.