Home / 38,526.80-57,795.60-12,228.80

Finding the Fourth Proportional to 38,526.80, 57,795.60 and 12,228.80

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Solution

The fourth proportional to 38,526.80, 57,795.60 and 12,228.80 is: 18,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,526.80 : 57,795.60 = 12,228.80 : x
  2. Step 2: Convert to fraction form
    38,526.80/57,795.60 = 12,228.80/x
  3. Step 3: Cross multiply
    38,526.80x = 57,795.60 × 12,228.80
  4. Step 4: Simplify right side
    38,526.80x = 706,770,833.28
  5. Step 5: Solve for x
    x = 706,770,833.28/38,526.80
  6. Step 6: Final answer
    x = 18,344.91

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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.