Home / 19,968.50-27,555.60-11,464.63

Finding the Fourth Proportional to 19,968.50, 27,555.60 and 11,464.63

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Solution

The fourth proportional to 19,968.50, 27,555.60 and 11,464.63 is: 15,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.50 : 27,555.60 = 11,464.63 : x
  2. Step 2: Convert to fraction form
    19,968.50/27,555.60 = 11,464.63/x
  3. Step 3: Cross multiply
    19,968.50x = 27,555.60 × 11,464.63
  4. Step 4: Simplify right side
    19,968.50x = 315,914,758.43
  5. Step 5: Solve for x
    x = 315,914,758.43/19,968.50
  6. Step 6: Final answer
    x = 15,820.66

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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.