Home / 27,255.45-37,612.86-16,500.18

Finding the Fourth Proportional to 27,255.45, 37,612.86 and 16,500.18

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Solution

The fourth proportional to 27,255.45, 37,612.86 and 16,500.18 is: 22,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.45 : 37,612.86 = 16,500.18 : x
  2. Step 2: Convert to fraction form
    27,255.45/37,612.86 = 16,500.18/x
  3. Step 3: Cross multiply
    27,255.45x = 37,612.86 × 16,500.18
  4. Step 4: Simplify right side
    27,255.45x = 620,618,960.31
  5. Step 5: Solve for x
    x = 620,618,960.31/27,255.45
  6. Step 6: Final answer
    x = 22,770.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.