Home / 25,245.14-34,838.09-13,760.03

Finding the Fourth Proportional to 25,245.14, 34,838.09 and 13,760.03

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Solution

The fourth proportional to 25,245.14, 34,838.09 and 13,760.03 is: 18,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.14 : 34,838.09 = 13,760.03 : x
  2. Step 2: Convert to fraction form
    25,245.14/34,838.09 = 13,760.03/x
  3. Step 3: Cross multiply
    25,245.14x = 34,838.09 × 13,760.03
  4. Step 4: Simplify right side
    25,245.14x = 479,373,076.17
  5. Step 5: Solve for x
    x = 479,373,076.17/25,245.14
  6. Step 6: Final answer
    x = 18,988.72

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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.