Home / 27,333.45-40,986-12,529.62

Finding the Fourth Proportional to 27,333.45, 40,986 and 12,529.62

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Solution

The fourth proportional to 27,333.45, 40,986 and 12,529.62 is: 18,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.45 : 40,986 = 12,529.62 : x
  2. Step 2: Convert to fraction form
    27,333.45/40,986 = 12,529.62/x
  3. Step 3: Cross multiply
    27,333.45x = 40,986 × 12,529.62
  4. Step 4: Simplify right side
    27,333.45x = 513,539,005.32
  5. Step 5: Solve for x
    x = 513,539,005.32/27,333.45
  6. Step 6: Final answer
    x = 18,787.93

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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.