Home / 25,475.84-38,214.74-12,141.96

Finding the Fourth Proportional to 25,475.84, 38,214.74 and 12,141.96

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Solution

The fourth proportional to 25,475.84, 38,214.74 and 12,141.96 is: 18,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.84 : 38,214.74 = 12,141.96 : x
  2. Step 2: Convert to fraction form
    25,475.84/38,214.74 = 12,141.96/x
  3. Step 3: Cross multiply
    25,475.84x = 38,214.74 × 12,141.96
  4. Step 4: Simplify right side
    25,475.84x = 464,001,844.49
  5. Step 5: Solve for x
    x = 464,001,844.49/25,475.84
  6. Step 6: Final answer
    x = 18,213.41

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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.