Home / 26,189.96-39,271.98-13,708.04

Finding the Fourth Proportional to 26,189.96, 39,271.98 and 13,708.04

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Solution

The fourth proportional to 26,189.96, 39,271.98 and 13,708.04 is: 20,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.96 : 39,271.98 = 13,708.04 : x
  2. Step 2: Convert to fraction form
    26,189.96/39,271.98 = 13,708.04/x
  3. Step 3: Cross multiply
    26,189.96x = 39,271.98 × 13,708.04
  4. Step 4: Simplify right side
    26,189.96x = 538,341,872.72
  5. Step 5: Solve for x
    x = 538,341,872.72/26,189.96
  6. Step 6: Final answer
    x = 20,555.28

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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.