Home / 26,706.30-40,079.14-12,666.36

Finding the Fourth Proportional to 26,706.30, 40,079.14 and 12,666.36

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Solution

The fourth proportional to 26,706.30, 40,079.14 and 12,666.36 is: 19,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.30 : 40,079.14 = 12,666.36 : x
  2. Step 2: Convert to fraction form
    26,706.30/40,079.14 = 12,666.36/x
  3. Step 3: Cross multiply
    26,706.30x = 40,079.14 × 12,666.36
  4. Step 4: Simplify right side
    26,706.30x = 507,656,815.73
  5. Step 5: Solve for x
    x = 507,656,815.73/26,706.30
  6. Step 6: Final answer
    x = 19,008.88

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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.