Home / 18,205.08-25,122.06-10,247.64

Finding the Fourth Proportional to 18,205.08, 25,122.06 and 10,247.64

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Solution

The fourth proportional to 18,205.08, 25,122.06 and 10,247.64 is: 14,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.08 : 25,122.06 = 10,247.64 : x
  2. Step 2: Convert to fraction form
    18,205.08/25,122.06 = 10,247.64/x
  3. Step 3: Cross multiply
    18,205.08x = 25,122.06 × 10,247.64
  4. Step 4: Simplify right side
    18,205.08x = 257,441,826.94
  5. Step 5: Solve for x
    x = 257,441,826.94/18,205.08
  6. Step 6: Final answer
    x = 14,141.21

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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.