Home / 13,148.20-19,722.30-6,236.20

Finding the Fourth Proportional to 13,148.20, 19,722.30 and 6,236.20

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Solution

The fourth proportional to 13,148.20, 19,722.30 and 6,236.20 is: 9,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.20 : 19,722.30 = 6,236.20 : x
  2. Step 2: Convert to fraction form
    13,148.20/19,722.30 = 6,236.20/x
  3. Step 3: Cross multiply
    13,148.20x = 19,722.30 × 6,236.20
  4. Step 4: Simplify right side
    13,148.20x = 122,992,207.26
  5. Step 5: Solve for x
    x = 122,992,207.26/13,148.20
  6. Step 6: Final answer
    x = 9,354.30

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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.