Home / 25,147.20-37,793.70-21,939.60

Finding the Fourth Proportional to 25,147.20, 37,793.70 and 21,939.60

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Solution

The fourth proportional to 25,147.20, 37,793.70 and 21,939.60 is: 32,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.20 : 37,793.70 = 21,939.60 : x
  2. Step 2: Convert to fraction form
    25,147.20/37,793.70 = 21,939.60/x
  3. Step 3: Cross multiply
    25,147.20x = 37,793.70 × 21,939.60
  4. Step 4: Simplify right side
    25,147.20x = 829,178,660.52
  5. Step 5: Solve for x
    x = 829,178,660.52/25,147.20
  6. Step 6: Final answer
    x = 32,973.00

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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.