Home / 31,586.94-43,580.10-18,153.27

Finding the Fourth Proportional to 31,586.94, 43,580.10 and 18,153.27

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Solution

The fourth proportional to 31,586.94, 43,580.10 and 18,153.27 is: 25,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.94 : 43,580.10 = 18,153.27 : x
  2. Step 2: Convert to fraction form
    31,586.94/43,580.10 = 18,153.27/x
  3. Step 3: Cross multiply
    31,586.94x = 43,580.10 × 18,153.27
  4. Step 4: Simplify right side
    31,586.94x = 791,121,321.93
  5. Step 5: Solve for x
    x = 791,121,321.93/31,586.94
  6. Step 6: Final answer
    x = 25,045.84

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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.