Home / 13,326.19-20,000.12-6,754.25

Finding the Fourth Proportional to 13,326.19, 20,000.12 and 6,754.25

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Solution

The fourth proportional to 13,326.19, 20,000.12 and 6,754.25 is: 10,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.19 : 20,000.12 = 6,754.25 : x
  2. Step 2: Convert to fraction form
    13,326.19/20,000.12 = 6,754.25/x
  3. Step 3: Cross multiply
    13,326.19x = 20,000.12 × 6,754.25
  4. Step 4: Simplify right side
    13,326.19x = 135,085,826.74
  5. Step 5: Solve for x
    x = 135,085,826.74/13,326.19
  6. Step 6: Final answer
    x = 10,136.87

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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.