Home / 26,536.49-39,820.11-13,389.88

Finding the Fourth Proportional to 26,536.49, 39,820.11 and 13,389.88

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Solution

The fourth proportional to 26,536.49, 39,820.11 and 13,389.88 is: 20,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,536.49 : 39,820.11 = 13,389.88 : x
  2. Step 2: Convert to fraction form
    26,536.49/39,820.11 = 13,389.88/x
  3. Step 3: Cross multiply
    26,536.49x = 39,820.11 × 13,389.88
  4. Step 4: Simplify right side
    26,536.49x = 533,186,531.38
  5. Step 5: Solve for x
    x = 533,186,531.38/26,536.49
  6. Step 6: Final answer
    x = 20,092.58

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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.