Home / 18,206.64-25,124.58-10,247.78

Finding the Fourth Proportional to 18,206.64, 25,124.58 and 10,247.78

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Solution

The fourth proportional to 18,206.64, 25,124.58 and 10,247.78 is: 14,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.64 : 25,124.58 = 10,247.78 : x
  2. Step 2: Convert to fraction form
    18,206.64/25,124.58 = 10,247.78/x
  3. Step 3: Cross multiply
    18,206.64x = 25,124.58 × 10,247.78
  4. Step 4: Simplify right side
    18,206.64x = 257,471,231.24
  5. Step 5: Solve for x
    x = 257,471,231.24/18,206.64
  6. Step 6: Final answer
    x = 14,141.61

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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.