Home / 25,660.47-35,410.10-14,481.75

Finding the Fourth Proportional to 25,660.47, 35,410.10 and 14,481.75

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Solution

The fourth proportional to 25,660.47, 35,410.10 and 14,481.75 is: 19,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.47 : 35,410.10 = 14,481.75 : x
  2. Step 2: Convert to fraction form
    25,660.47/35,410.10 = 14,481.75/x
  3. Step 3: Cross multiply
    25,660.47x = 35,410.10 × 14,481.75
  4. Step 4: Simplify right side
    25,660.47x = 512,800,143.27
  5. Step 5: Solve for x
    x = 512,800,143.27/25,660.47
  6. Step 6: Final answer
    x = 19,984.05

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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.