Home / 26,776.64-40,160.40-12,546.59

Finding the Fourth Proportional to 26,776.64, 40,160.40 and 12,546.59

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Solution

The fourth proportional to 26,776.64, 40,160.40 and 12,546.59 is: 18,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776.64 : 40,160.40 = 12,546.59 : x
  2. Step 2: Convert to fraction form
    26,776.64/40,160.40 = 12,546.59/x
  3. Step 3: Cross multiply
    26,776.64x = 40,160.40 × 12,546.59
  4. Step 4: Simplify right side
    26,776.64x = 503,875,872.23
  5. Step 5: Solve for x
    x = 503,875,872.23/26,776.64
  6. Step 6: Final answer
    x = 18,817.74

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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.