Home / 25,475.13-38,192.85-12,141.18

Finding the Fourth Proportional to 25,475.13, 38,192.85 and 12,141.18

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Solution

The fourth proportional to 25,475.13, 38,192.85 and 12,141.18 is: 18,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.13 : 38,192.85 = 12,141.18 : x
  2. Step 2: Convert to fraction form
    25,475.13/38,192.85 = 12,141.18/x
  3. Step 3: Cross multiply
    25,475.13x = 38,192.85 × 12,141.18
  4. Step 4: Simplify right side
    25,475.13x = 463,706,266.56
  5. Step 5: Solve for x
    x = 463,706,266.56/25,475.13
  6. Step 6: Final answer
    x = 18,202.31

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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.