Home / 30,253.88-45,383.21-9,195.75

Finding the Fourth Proportional to 30,253.88, 45,383.21 and 9,195.75

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Solution

The fourth proportional to 30,253.88, 45,383.21 and 9,195.75 is: 13,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.88 : 45,383.21 = 9,195.75 : x
  2. Step 2: Convert to fraction form
    30,253.88/45,383.21 = 9,195.75/x
  3. Step 3: Cross multiply
    30,253.88x = 45,383.21 × 9,195.75
  4. Step 4: Simplify right side
    30,253.88x = 417,332,607.38
  5. Step 5: Solve for x
    x = 417,332,607.38/30,253.88
  6. Step 6: Final answer
    x = 13,794.35

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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.