Home / 35,927.20-53,890.80-12,550.60

Finding the Fourth Proportional to 35,927.20, 53,890.80 and 12,550.60

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Solution

The fourth proportional to 35,927.20, 53,890.80 and 12,550.60 is: 18,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,927.20 : 53,890.80 = 12,550.60 : x
  2. Step 2: Convert to fraction form
    35,927.20/53,890.80 = 12,550.60/x
  3. Step 3: Cross multiply
    35,927.20x = 53,890.80 × 12,550.60
  4. Step 4: Simplify right side
    35,927.20x = 676,361,874.48
  5. Step 5: Solve for x
    x = 676,361,874.48/35,927.20
  6. Step 6: Final answer
    x = 18,825.90

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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.