Home / 23,711.85-32,723.31-13,640.30

Finding the Fourth Proportional to 23,711.85, 32,723.31 and 13,640.30

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Solution

The fourth proportional to 23,711.85, 32,723.31 and 13,640.30 is: 18,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,711.85 : 32,723.31 = 13,640.30 : x
  2. Step 2: Convert to fraction form
    23,711.85/32,723.31 = 13,640.30/x
  3. Step 3: Cross multiply
    23,711.85x = 32,723.31 × 13,640.30
  4. Step 4: Simplify right side
    23,711.85x = 446,355,601.78
  5. Step 5: Solve for x
    x = 446,355,601.78/23,711.85
  6. Step 6: Final answer
    x = 18,824.16

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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.