Home / 13,367.66-18,449.33-7,701.31

Finding the Fourth Proportional to 13,367.66, 18,449.33 and 7,701.31

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Solution

The fourth proportional to 13,367.66, 18,449.33 and 7,701.31 is: 10,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.66 : 18,449.33 = 7,701.31 : x
  2. Step 2: Convert to fraction form
    13,367.66/18,449.33 = 7,701.31/x
  3. Step 3: Cross multiply
    13,367.66x = 18,449.33 × 7,701.31
  4. Step 4: Simplify right side
    13,367.66x = 142,084,009.62
  5. Step 5: Solve for x
    x = 142,084,009.62/13,367.66
  6. Step 6: Final answer
    x = 10,628.94

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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.