Home / 26,709.85-40,084.46-12,669.92

Finding the Fourth Proportional to 26,709.85, 40,084.46 and 12,669.92

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Solution

The fourth proportional to 26,709.85, 40,084.46 and 12,669.92 is: 19,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.85 : 40,084.46 = 12,669.92 : x
  2. Step 2: Convert to fraction form
    26,709.85/40,084.46 = 12,669.92/x
  3. Step 3: Cross multiply
    26,709.85x = 40,084.46 × 12,669.92
  4. Step 4: Simplify right side
    26,709.85x = 507,866,871.13
  5. Step 5: Solve for x
    x = 507,866,871.13/26,709.85
  6. Step 6: Final answer
    x = 19,014.22

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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.