Home / 14,591.69-20,136.52-8,625.51

Finding the Fourth Proportional to 14,591.69, 20,136.52 and 8,625.51

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Solution

The fourth proportional to 14,591.69, 20,136.52 and 8,625.51 is: 11,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.69 : 20,136.52 = 8,625.51 : x
  2. Step 2: Convert to fraction form
    14,591.69/20,136.52 = 8,625.51/x
  3. Step 3: Cross multiply
    14,591.69x = 20,136.52 × 8,625.51
  4. Step 4: Simplify right side
    14,591.69x = 173,687,711.50
  5. Step 5: Solve for x
    x = 173,687,711.50/14,591.69
  6. Step 6: Final answer
    x = 11,903.19

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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.