Home / 18,500.58-25,529.85-10,115.46

Finding the Fourth Proportional to 18,500.58, 25,529.85 and 10,115.46

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Solution

The fourth proportional to 18,500.58, 25,529.85 and 10,115.46 is: 13,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.58 : 25,529.85 = 10,115.46 : x
  2. Step 2: Convert to fraction form
    18,500.58/25,529.85 = 10,115.46/x
  3. Step 3: Cross multiply
    18,500.58x = 25,529.85 × 10,115.46
  4. Step 4: Simplify right side
    18,500.58x = 258,246,176.48
  5. Step 5: Solve for x
    x = 258,246,176.48/18,500.58
  6. Step 6: Final answer
    x = 13,958.82

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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.