Home / 25,469.40-38,204.36-7,700.20

Finding the Fourth Proportional to 25,469.40, 38,204.36 and 7,700.20

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Solution

The fourth proportional to 25,469.40, 38,204.36 and 7,700.20 is: 11,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.40 : 38,204.36 = 7,700.20 : x
  2. Step 2: Convert to fraction form
    25,469.40/38,204.36 = 7,700.20/x
  3. Step 3: Cross multiply
    25,469.40x = 38,204.36 × 7,700.20
  4. Step 4: Simplify right side
    25,469.40x = 294,181,212.87
  5. Step 5: Solve for x
    x = 294,181,212.87/25,469.40
  6. Step 6: Final answer
    x = 11,550.38

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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.