Home / 26,655.50-39,997.08-10,872.11

Finding the Fourth Proportional to 26,655.50, 39,997.08 and 10,872.11

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Solution

The fourth proportional to 26,655.50, 39,997.08 and 10,872.11 is: 16,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.50 : 39,997.08 = 10,872.11 : x
  2. Step 2: Convert to fraction form
    26,655.50/39,997.08 = 10,872.11/x
  3. Step 3: Cross multiply
    26,655.50x = 39,997.08 × 10,872.11
  4. Step 4: Simplify right side
    26,655.50x = 434,852,453.45
  5. Step 5: Solve for x
    x = 434,852,453.45/26,655.50
  6. Step 6: Final answer
    x = 16,313.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.