Home / 14,745.68-22,118.46-12,143.12

Finding the Fourth Proportional to 14,745.68, 22,118.46 and 12,143.12

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Solution

The fourth proportional to 14,745.68, 22,118.46 and 12,143.12 is: 18,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.68 : 22,118.46 = 12,143.12 : x
  2. Step 2: Convert to fraction form
    14,745.68/22,118.46 = 12,143.12/x
  3. Step 3: Cross multiply
    14,745.68x = 22,118.46 × 12,143.12
  4. Step 4: Simplify right side
    14,745.68x = 268,587,114.00
  5. Step 5: Solve for x
    x = 268,587,114.00/14,745.68
  6. Step 6: Final answer
    x = 18,214.63

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Double scale
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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.