Home / 28,885.03-43,318.73-12,244.75

Finding the Fourth Proportional to 28,885.03, 43,318.73 and 12,244.75

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Solution

The fourth proportional to 28,885.03, 43,318.73 and 12,244.75 is: 18,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.03 : 43,318.73 = 12,244.75 : x
  2. Step 2: Convert to fraction form
    28,885.03/43,318.73 = 12,244.75/x
  3. Step 3: Cross multiply
    28,885.03x = 43,318.73 × 12,244.75
  4. Step 4: Simplify right side
    28,885.03x = 530,426,957.94
  5. Step 5: Solve for x
    x = 530,426,957.94/28,885.03
  6. Step 6: Final answer
    x = 18,363.39

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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.