Home / 19,136.94-28,707.57-8,041.56

Finding the Fourth Proportional to 19,136.94, 28,707.57 and 8,041.56

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Solution

The fourth proportional to 19,136.94, 28,707.57 and 8,041.56 is: 12,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.94 : 28,707.57 = 8,041.56 : x
  2. Step 2: Convert to fraction form
    19,136.94/28,707.57 = 8,041.56/x
  3. Step 3: Cross multiply
    19,136.94x = 28,707.57 × 8,041.56
  4. Step 4: Simplify right side
    19,136.94x = 230,853,646.61
  5. Step 5: Solve for x
    x = 230,853,646.61/19,136.94
  6. Step 6: Final answer
    x = 12,063.25

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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.