Home / 18,205.15-25,122.85-10,247.41

Finding the Fourth Proportional to 18,205.15, 25,122.85 and 10,247.41

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Solution

The fourth proportional to 18,205.15, 25,122.85 and 10,247.41 is: 14,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.15 : 25,122.85 = 10,247.41 : x
  2. Step 2: Convert to fraction form
    18,205.15/25,122.85 = 10,247.41/x
  3. Step 3: Cross multiply
    18,205.15x = 25,122.85 × 10,247.41
  4. Step 4: Simplify right side
    18,205.15x = 257,444,144.32
  5. Step 5: Solve for x
    x = 257,444,144.32/18,205.15
  6. Step 6: Final answer
    x = 14,141.28

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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.