Home / 18,472.37-27,708.33-12,534.55

Finding the Fourth Proportional to 18,472.37, 27,708.33 and 12,534.55

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Solution

The fourth proportional to 18,472.37, 27,708.33 and 12,534.55 is: 18,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.37 : 27,708.33 = 12,534.55 : x
  2. Step 2: Convert to fraction form
    18,472.37/27,708.33 = 12,534.55/x
  3. Step 3: Cross multiply
    18,472.37x = 27,708.33 × 12,534.55
  4. Step 4: Simplify right side
    18,472.37x = 347,311,309.26
  5. Step 5: Solve for x
    x = 347,311,309.26/18,472.37
  6. Step 6: Final answer
    x = 18,801.66

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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.