Home / 18,463.12-25,471.20-11,746.60

Finding the Fourth Proportional to 18,463.12, 25,471.20 and 11,746.60

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Solution

The fourth proportional to 18,463.12, 25,471.20 and 11,746.60 is: 16,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.12 : 25,471.20 = 11,746.60 : x
  2. Step 2: Convert to fraction form
    18,463.12/25,471.20 = 11,746.60/x
  3. Step 3: Cross multiply
    18,463.12x = 25,471.20 × 11,746.60
  4. Step 4: Simplify right side
    18,463.12x = 299,199,997.92
  5. Step 5: Solve for x
    x = 299,199,997.92/18,463.12
  6. Step 6: Final answer
    x = 16,205.28

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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.