Home / 25,469.28-35,147.06-14,138.12

Finding the Fourth Proportional to 25,469.28, 35,147.06 and 14,138.12

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Solution

The fourth proportional to 25,469.28, 35,147.06 and 14,138.12 is: 19,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.28 : 35,147.06 = 14,138.12 : x
  2. Step 2: Convert to fraction form
    25,469.28/35,147.06 = 14,138.12/x
  3. Step 3: Cross multiply
    25,469.28x = 35,147.06 × 14,138.12
  4. Step 4: Simplify right side
    25,469.28x = 496,913,351.93
  5. Step 5: Solve for x
    x = 496,913,351.93/25,469.28
  6. Step 6: Final answer
    x = 19,510.30

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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.