Home / 19,232.10-28,826.55-8,136.90

Finding the Fourth Proportional to 19,232.10, 28,826.55 and 8,136.90

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Solution

The fourth proportional to 19,232.10, 28,826.55 and 8,136.90 is: 12,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.10 : 28,826.55 = 8,136.90 : x
  2. Step 2: Convert to fraction form
    19,232.10/28,826.55 = 8,136.90/x
  3. Step 3: Cross multiply
    19,232.10x = 28,826.55 × 8,136.90
  4. Step 4: Simplify right side
    19,232.10x = 234,558,754.70
  5. Step 5: Solve for x
    x = 234,558,754.70/19,232.10
  6. Step 6: Final answer
    x = 12,196.21

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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.