Home / 25,488.87-35,174.15-14,157.86

Finding the Fourth Proportional to 25,488.87, 35,174.15 and 14,157.86

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Solution

The fourth proportional to 25,488.87, 35,174.15 and 14,157.86 is: 19,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.87 : 35,174.15 = 14,157.86 : x
  2. Step 2: Convert to fraction form
    25,488.87/35,174.15 = 14,157.86/x
  3. Step 3: Cross multiply
    25,488.87x = 35,174.15 × 14,157.86
  4. Step 4: Simplify right side
    25,488.87x = 497,990,497.75
  5. Step 5: Solve for x
    x = 497,990,497.75/25,488.87
  6. Step 6: Final answer
    x = 19,537.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.