Home / 27,003.15-40,526.40-12,213.36

Finding the Fourth Proportional to 27,003.15, 40,526.40 and 12,213.36

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Solution

The fourth proportional to 27,003.15, 40,526.40 and 12,213.36 is: 18,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.15 : 40,526.40 = 12,213.36 : x
  2. Step 2: Convert to fraction form
    27,003.15/40,526.40 = 12,213.36/x
  3. Step 3: Cross multiply
    27,003.15x = 40,526.40 × 12,213.36
  4. Step 4: Simplify right side
    27,003.15x = 494,963,512.70
  5. Step 5: Solve for x
    x = 494,963,512.70/27,003.15
  6. Step 6: Final answer
    x = 18,329.84

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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.