Home / 25,215.62-34,797.24-13,885.11

Finding the Fourth Proportional to 25,215.62, 34,797.24 and 13,885.11

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Solution

The fourth proportional to 25,215.62, 34,797.24 and 13,885.11 is: 19,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.62 : 34,797.24 = 13,885.11 : x
  2. Step 2: Convert to fraction form
    25,215.62/34,797.24 = 13,885.11/x
  3. Step 3: Cross multiply
    25,215.62x = 34,797.24 × 13,885.11
  4. Step 4: Simplify right side
    25,215.62x = 483,163,505.10
  5. Step 5: Solve for x
    x = 483,163,505.10/25,215.62
  6. Step 6: Final answer
    x = 19,161.28

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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.