Home / 23,209.24-32,021.12-13,136.68

Finding the Fourth Proportional to 23,209.24, 32,021.12 and 13,136.68

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Solution

The fourth proportional to 23,209.24, 32,021.12 and 13,136.68 is: 18,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.24 : 32,021.12 = 13,136.68 : x
  2. Step 2: Convert to fraction form
    23,209.24/32,021.12 = 13,136.68/x
  3. Step 3: Cross multiply
    23,209.24x = 32,021.12 × 13,136.68
  4. Step 4: Simplify right side
    23,209.24x = 420,651,206.68
  5. Step 5: Solve for x
    x = 420,651,206.68/23,209.24
  6. Step 6: Final answer
    x = 18,124.30

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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.