Home / 25,109.94-34,652-13,779.12

Finding the Fourth Proportional to 25,109.94, 34,652 and 13,779.12

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Solution

The fourth proportional to 25,109.94, 34,652 and 13,779.12 is: 19,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.94 : 34,652 = 13,779.12 : x
  2. Step 2: Convert to fraction form
    25,109.94/34,652 = 13,779.12/x
  3. Step 3: Cross multiply
    25,109.94x = 34,652 × 13,779.12
  4. Step 4: Simplify right side
    25,109.94x = 477,474,066.24
  5. Step 5: Solve for x
    x = 477,474,066.24/25,109.94
  6. Step 6: Final answer
    x = 19,015.34

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Why These Related Problems?

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