Home / 13,344.07-18,402.58-8,029.66

Finding the Fourth Proportional to 13,344.07, 18,402.58 and 8,029.66

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Solution

The fourth proportional to 13,344.07, 18,402.58 and 8,029.66 is: 11,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.07 : 18,402.58 = 8,029.66 : x
  2. Step 2: Convert to fraction form
    13,344.07/18,402.58 = 8,029.66/x
  3. Step 3: Cross multiply
    13,344.07x = 18,402.58 × 8,029.66
  4. Step 4: Simplify right side
    13,344.07x = 147,766,420.37
  5. Step 5: Solve for x
    x = 147,766,420.37/13,344.07
  6. Step 6: Final answer
    x = 11,073.56

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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.