Home / 13,996.97-20,995.32-5,675.01

Finding the Fourth Proportional to 13,996.97, 20,995.32 and 5,675.01

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Solution

The fourth proportional to 13,996.97, 20,995.32 and 5,675.01 is: 8,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.97 : 20,995.32 = 5,675.01 : x
  2. Step 2: Convert to fraction form
    13,996.97/20,995.32 = 5,675.01/x
  3. Step 3: Cross multiply
    13,996.97x = 20,995.32 × 5,675.01
  4. Step 4: Simplify right side
    13,996.97x = 119,148,531.79
  5. Step 5: Solve for x
    x = 119,148,531.79/13,996.97
  6. Step 6: Final answer
    x = 8,512.45

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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.