Home / 25,294.20-34,906.12-13,964.04

Finding the Fourth Proportional to 25,294.20, 34,906.12 and 13,964.04

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Solution

The fourth proportional to 25,294.20, 34,906.12 and 13,964.04 is: 19,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.20 : 34,906.12 = 13,964.04 : x
  2. Step 2: Convert to fraction form
    25,294.20/34,906.12 = 13,964.04/x
  3. Step 3: Cross multiply
    25,294.20x = 34,906.12 × 13,964.04
  4. Step 4: Simplify right side
    25,294.20x = 487,430,455.92
  5. Step 5: Solve for x
    x = 487,430,455.92/25,294.20
  6. Step 6: Final answer
    x = 19,270.44

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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.