Home / 18,057.10-24,912.32-10,500.68

Finding the Fourth Proportional to 18,057.10, 24,912.32 and 10,500.68

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Solution

The fourth proportional to 18,057.10, 24,912.32 and 10,500.68 is: 14,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.10 : 24,912.32 = 10,500.68 : x
  2. Step 2: Convert to fraction form
    18,057.10/24,912.32 = 10,500.68/x
  3. Step 3: Cross multiply
    18,057.10x = 24,912.32 × 10,500.68
  4. Step 4: Simplify right side
    18,057.10x = 261,596,208.82
  5. Step 5: Solve for x
    x = 261,596,208.82/18,057.10
  6. Step 6: Final answer
    x = 14,487.16

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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.