Home / 29,688.12-44,532.18-12,166.20

Finding the Fourth Proportional to 29,688.12, 44,532.18 and 12,166.20

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Solution

The fourth proportional to 29,688.12, 44,532.18 and 12,166.20 is: 18,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.12 : 44,532.18 = 12,166.20 : x
  2. Step 2: Convert to fraction form
    29,688.12/44,532.18 = 12,166.20/x
  3. Step 3: Cross multiply
    29,688.12x = 44,532.18 × 12,166.20
  4. Step 4: Simplify right side
    29,688.12x = 541,787,408.32
  5. Step 5: Solve for x
    x = 541,787,408.32/29,688.12
  6. Step 6: Final answer
    x = 18,249.30

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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.