Home / 28,893.87-43,332.15-12,253.62

Finding the Fourth Proportional to 28,893.87, 43,332.15 and 12,253.62

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Solution

The fourth proportional to 28,893.87, 43,332.15 and 12,253.62 is: 18,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.87 : 43,332.15 = 12,253.62 : x
  2. Step 2: Convert to fraction form
    28,893.87/43,332.15 = 12,253.62/x
  3. Step 3: Cross multiply
    28,893.87x = 43,332.15 × 12,253.62
  4. Step 4: Simplify right side
    28,893.87x = 530,975,699.88
  5. Step 5: Solve for x
    x = 530,975,699.88/28,893.87
  6. Step 6: Final answer
    x = 18,376.76

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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.