Home / 25,425.99-35,076.83-15,348.69

Finding the Fourth Proportional to 25,425.99, 35,076.83 and 15,348.69

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Solution

The fourth proportional to 25,425.99, 35,076.83 and 15,348.69 is: 21,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.99 : 35,076.83 = 15,348.69 : x
  2. Step 2: Convert to fraction form
    25,425.99/35,076.83 = 15,348.69/x
  3. Step 3: Cross multiply
    25,425.99x = 35,076.83 × 15,348.69
  4. Step 4: Simplify right side
    25,425.99x = 538,383,313.11
  5. Step 5: Solve for x
    x = 538,383,313.11/25,425.99
  6. Step 6: Final answer
    x = 21,174.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.