Home / 25,492.92-38,190.16-12,354.51

Finding the Fourth Proportional to 25,492.92, 38,190.16 and 12,354.51

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Solution

The fourth proportional to 25,492.92, 38,190.16 and 12,354.51 is: 18,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.92 : 38,190.16 = 12,354.51 : x
  2. Step 2: Convert to fraction form
    25,492.92/38,190.16 = 12,354.51/x
  3. Step 3: Cross multiply
    25,492.92x = 38,190.16 × 12,354.51
  4. Step 4: Simplify right side
    25,492.92x = 471,820,713.62
  5. Step 5: Solve for x
    x = 471,820,713.62/25,492.92
  6. Step 6: Final answer
    x = 18,507.91

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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.