Home / 14,592.33-20,136.74-8,218.98

Finding the Fourth Proportional to 14,592.33, 20,136.74 and 8,218.98

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Solution

The fourth proportional to 14,592.33, 20,136.74 and 8,218.98 is: 11,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.33 : 20,136.74 = 8,218.98 : x
  2. Step 2: Convert to fraction form
    14,592.33/20,136.74 = 8,218.98/x
  3. Step 3: Cross multiply
    14,592.33x = 20,136.74 × 8,218.98
  4. Step 4: Simplify right side
    14,592.33x = 165,503,422.23
  5. Step 5: Solve for x
    x = 165,503,422.23/14,592.33
  6. Step 6: Final answer
    x = 11,341.81

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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.