Home / 36,285.99-54,411.36-13,800.60

Finding the Fourth Proportional to 36,285.99, 54,411.36 and 13,800.60

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Solution

The fourth proportional to 36,285.99, 54,411.36 and 13,800.60 is: 20,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.99 : 54,411.36 = 13,800.60 : x
  2. Step 2: Convert to fraction form
    36,285.99/54,411.36 = 13,800.60/x
  3. Step 3: Cross multiply
    36,285.99x = 54,411.36 × 13,800.60
  4. Step 4: Simplify right side
    36,285.99x = 750,909,414.82
  5. Step 5: Solve for x
    x = 750,909,414.82/36,285.99
  6. Step 6: Final answer
    x = 20,694.20

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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.