Home / 20,084.00-30,136.51-14,582.78

Finding the Fourth Proportional to 20,084.00, 30,136.51 and 14,582.78

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Solution

The fourth proportional to 20,084.00, 30,136.51 and 14,582.78 is: 21,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.00 : 30,136.51 = 14,582.78 : x
  2. Step 2: Convert to fraction form
    20,084.00/30,136.51 = 14,582.78/x
  3. Step 3: Cross multiply
    20,084.00x = 30,136.51 × 14,582.78
  4. Step 4: Simplify right side
    20,084.00x = 439,474,163.35
  5. Step 5: Solve for x
    x = 439,474,163.35/20,084.00
  6. Step 6: Final answer
    x = 21,881.80

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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.