Home / 25,223.08-37,857.96-12,751.90

Finding the Fourth Proportional to 25,223.08, 37,857.96 and 12,751.90

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Solution

The fourth proportional to 25,223.08, 37,857.96 and 12,751.90 is: 19,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.08 : 37,857.96 = 12,751.90 : x
  2. Step 2: Convert to fraction form
    25,223.08/37,857.96 = 12,751.90/x
  3. Step 3: Cross multiply
    25,223.08x = 37,857.96 × 12,751.90
  4. Step 4: Simplify right side
    25,223.08x = 482,760,920.12
  5. Step 5: Solve for x
    x = 482,760,920.12/25,223.08
  6. Step 6: Final answer
    x = 19,139.65

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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.