Home / 18,606.88-25,679.28-10,647.52

Finding the Fourth Proportional to 18,606.88, 25,679.28 and 10,647.52

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Solution

The fourth proportional to 18,606.88, 25,679.28 and 10,647.52 is: 14,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.88 : 25,679.28 = 10,647.52 : x
  2. Step 2: Convert to fraction form
    18,606.88/25,679.28 = 10,647.52/x
  3. Step 3: Cross multiply
    18,606.88x = 25,679.28 × 10,647.52
  4. Step 4: Simplify right side
    18,606.88x = 273,420,647.39
  5. Step 5: Solve for x
    x = 273,420,647.39/18,606.88
  6. Step 6: Final answer
    x = 14,694.60

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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.