Home / 15,802.20-23,691.30-8,016.60

Finding the Fourth Proportional to 15,802.20, 23,691.30 and 8,016.60

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Solution

The fourth proportional to 15,802.20, 23,691.30 and 8,016.60 is: 12,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.20 : 23,691.30 = 8,016.60 : x
  2. Step 2: Convert to fraction form
    15,802.20/23,691.30 = 8,016.60/x
  3. Step 3: Cross multiply
    15,802.20x = 23,691.30 × 8,016.60
  4. Step 4: Simplify right side
    15,802.20x = 189,923,675.58
  5. Step 5: Solve for x
    x = 189,923,675.58/15,802.20
  6. Step 6: Final answer
    x = 12,018.81

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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.