Home / 13,365.41-20,042.27-6,347.43

Finding the Fourth Proportional to 13,365.41, 20,042.27 and 6,347.43

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Solution

The fourth proportional to 13,365.41, 20,042.27 and 6,347.43 is: 9,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.41 : 20,042.27 = 6,347.43 : x
  2. Step 2: Convert to fraction form
    13,365.41/20,042.27 = 6,347.43/x
  3. Step 3: Cross multiply
    13,365.41x = 20,042.27 × 6,347.43
  4. Step 4: Simplify right side
    13,365.41x = 127,216,874.13
  5. Step 5: Solve for x
    x = 127,216,874.13/13,365.41
  6. Step 6: Final answer
    x = 9,518.37

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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.