Home / 26,459.80-39,676.18-13,986.52

Finding the Fourth Proportional to 26,459.80, 39,676.18 and 13,986.52

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Solution

The fourth proportional to 26,459.80, 39,676.18 and 13,986.52 is: 20,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.80 : 39,676.18 = 13,986.52 : x
  2. Step 2: Convert to fraction form
    26,459.80/39,676.18 = 13,986.52/x
  3. Step 3: Cross multiply
    26,459.80x = 39,676.18 × 13,986.52
  4. Step 4: Simplify right side
    26,459.80x = 554,931,685.09
  5. Step 5: Solve for x
    x = 554,931,685.09/26,459.80
  6. Step 6: Final answer
    x = 20,972.63

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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.