Home / 26,250.98-39,399.22-13,779.82

Finding the Fourth Proportional to 26,250.98, 39,399.22 and 13,779.82

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Solution

The fourth proportional to 26,250.98, 39,399.22 and 13,779.82 is: 20,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,250.98 : 39,399.22 = 13,779.82 : x
  2. Step 2: Convert to fraction form
    26,250.98/39,399.22 = 13,779.82/x
  3. Step 3: Cross multiply
    26,250.98x = 39,399.22 × 13,779.82
  4. Step 4: Simplify right side
    26,250.98x = 542,914,159.74
  5. Step 5: Solve for x
    x = 542,914,159.74/26,250.98
  6. Step 6: Final answer
    x = 20,681.67

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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.