Home / 25,202.16-34,774.92-15,129

Finding the Fourth Proportional to 25,202.16, 34,774.92 and 15,129

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Solution

The fourth proportional to 25,202.16, 34,774.92 and 15,129 is: 20,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.16 : 34,774.92 = 15,129 : x
  2. Step 2: Convert to fraction form
    25,202.16/34,774.92 = 15,129/x
  3. Step 3: Cross multiply
    25,202.16x = 34,774.92 × 15,129
  4. Step 4: Simplify right side
    25,202.16x = 526,109,764.68
  5. Step 5: Solve for x
    x = 526,109,764.68/25,202.16
  6. Step 6: Final answer
    x = 20,875.58

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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.