Home / 13,444.90-20,171.40-9,556.90

Finding the Fourth Proportional to 13,444.90, 20,171.40 and 9,556.90

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Solution

The fourth proportional to 13,444.90, 20,171.40 and 9,556.90 is: 14,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.90 : 20,171.40 = 9,556.90 : x
  2. Step 2: Convert to fraction form
    13,444.90/20,171.40 = 9,556.90/x
  3. Step 3: Cross multiply
    13,444.90x = 20,171.40 × 9,556.90
  4. Step 4: Simplify right side
    13,444.90x = 192,776,052.66
  5. Step 5: Solve for x
    x = 192,776,052.66/13,444.90
  6. Step 6: Final answer
    x = 14,338.23

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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.