Home / 14,682.06-20,238.87-11,532.78

Finding the Fourth Proportional to 14,682.06, 20,238.87 and 11,532.78

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Solution

The fourth proportional to 14,682.06, 20,238.87 and 11,532.78 is: 15,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.06 : 20,238.87 = 11,532.78 : x
  2. Step 2: Convert to fraction form
    14,682.06/20,238.87 = 11,532.78/x
  3. Step 3: Cross multiply
    14,682.06x = 20,238.87 × 11,532.78
  4. Step 4: Simplify right side
    14,682.06x = 233,410,435.16
  5. Step 5: Solve for x
    x = 233,410,435.16/14,682.06
  6. Step 6: Final answer
    x = 15,897.66

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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.