Home / 13,425.15-18,523.49-8,049.23

Finding the Fourth Proportional to 13,425.15, 18,523.49 and 8,049.23

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Solution

The fourth proportional to 13,425.15, 18,523.49 and 8,049.23 is: 11,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.15 : 18,523.49 = 8,049.23 : x
  2. Step 2: Convert to fraction form
    13,425.15/18,523.49 = 8,049.23/x
  3. Step 3: Cross multiply
    13,425.15x = 18,523.49 × 8,049.23
  4. Step 4: Simplify right side
    13,425.15x = 149,099,897.84
  5. Step 5: Solve for x
    x = 149,099,897.84/13,425.15
  6. Step 6: Final answer
    x = 11,106.01

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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.