Home / 14,509.13-20,022.25-8,136.04

Finding the Fourth Proportional to 14,509.13, 20,022.25 and 8,136.04

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Solution

The fourth proportional to 14,509.13, 20,022.25 and 8,136.04 is: 11,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.13 : 20,022.25 = 8,136.04 : x
  2. Step 2: Convert to fraction form
    14,509.13/20,022.25 = 8,136.04/x
  3. Step 3: Cross multiply
    14,509.13x = 20,022.25 × 8,136.04
  4. Step 4: Simplify right side
    14,509.13x = 162,901,826.89
  5. Step 5: Solve for x
    x = 162,901,826.89/14,509.13
  6. Step 6: Final answer
    x = 11,227.54

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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.