Home / 25,215.42-34,797.54-13,885.97

Finding the Fourth Proportional to 25,215.42, 34,797.54 and 13,885.97

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Solution

The fourth proportional to 25,215.42, 34,797.54 and 13,885.97 is: 19,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.42 : 34,797.54 = 13,885.97 : x
  2. Step 2: Convert to fraction form
    25,215.42/34,797.54 = 13,885.97/x
  3. Step 3: Cross multiply
    25,215.42x = 34,797.54 × 13,885.97
  4. Step 4: Simplify right side
    25,215.42x = 483,197,435.54
  5. Step 5: Solve for x
    x = 483,197,435.54/25,215.42
  6. Step 6: Final answer
    x = 19,162.78

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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.