Home / 25,109.85-34,651.95-13,779.15

Finding the Fourth Proportional to 25,109.85, 34,651.95 and 13,779.15

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Solution

The fourth proportional to 25,109.85, 34,651.95 and 13,779.15 is: 19,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.85 : 34,651.95 = 13,779.15 : x
  2. Step 2: Convert to fraction form
    25,109.85/34,651.95 = 13,779.15/x
  3. Step 3: Cross multiply
    25,109.85x = 34,651.95 × 13,779.15
  4. Step 4: Simplify right side
    25,109.85x = 477,474,416.84
  5. Step 5: Solve for x
    x = 477,474,416.84/25,109.85
  6. Step 6: Final answer
    x = 19,015.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.