Home / 25,302.06-37,961.18-12,155.35

Finding the Fourth Proportional to 25,302.06, 37,961.18 and 12,155.35

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Solution

The fourth proportional to 25,302.06, 37,961.18 and 12,155.35 is: 18,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.06 : 37,961.18 = 12,155.35 : x
  2. Step 2: Convert to fraction form
    25,302.06/37,961.18 = 12,155.35/x
  3. Step 3: Cross multiply
    25,302.06x = 37,961.18 × 12,155.35
  4. Step 4: Simplify right side
    25,302.06x = 461,431,429.31
  5. Step 5: Solve for x
    x = 461,431,429.31/25,302.06
  6. Step 6: Final answer
    x = 18,236.91

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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.