Home / 29,415.60-44,115.96-8,639.04

Finding the Fourth Proportional to 29,415.60, 44,115.96 and 8,639.04

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Solution

The fourth proportional to 29,415.60, 44,115.96 and 8,639.04 is: 12,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.60 : 44,115.96 = 8,639.04 : x
  2. Step 2: Convert to fraction form
    29,415.60/44,115.96 = 8,639.04/x
  3. Step 3: Cross multiply
    29,415.60x = 44,115.96 × 8,639.04
  4. Step 4: Simplify right side
    29,415.60x = 381,119,543.08
  5. Step 5: Solve for x
    x = 381,119,543.08/29,415.60
  6. Step 6: Final answer
    x = 12,956.37

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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.