Home / 19,656.72-27,126.60-10,704.36

Finding the Fourth Proportional to 19,656.72, 27,126.60 and 10,704.36

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Solution

The fourth proportional to 19,656.72, 27,126.60 and 10,704.36 is: 14,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.72 : 27,126.60 = 10,704.36 : x
  2. Step 2: Convert to fraction form
    19,656.72/27,126.60 = 10,704.36/x
  3. Step 3: Cross multiply
    19,656.72x = 27,126.60 × 10,704.36
  4. Step 4: Simplify right side
    19,656.72x = 290,372,891.98
  5. Step 5: Solve for x
    x = 290,372,891.98/19,656.72
  6. Step 6: Final answer
    x = 14,772.19

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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.