Home / 26,764.38-40,116.50-12,712.91

Finding the Fourth Proportional to 26,764.38, 40,116.50 and 12,712.91

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Solution

The fourth proportional to 26,764.38, 40,116.50 and 12,712.91 is: 19,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,764.38 : 40,116.50 = 12,712.91 : x
  2. Step 2: Convert to fraction form
    26,764.38/40,116.50 = 12,712.91/x
  3. Step 3: Cross multiply
    26,764.38x = 40,116.50 × 12,712.91
  4. Step 4: Simplify right side
    26,764.38x = 509,997,189.87
  5. Step 5: Solve for x
    x = 509,997,189.87/26,764.38
  6. Step 6: Final answer
    x = 19,055.07

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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.