Home / 25,400.16-38,102.75-8,758.01

Finding the Fourth Proportional to 25,400.16, 38,102.75 and 8,758.01

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Solution

The fourth proportional to 25,400.16, 38,102.75 and 8,758.01 is: 13,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.16 : 38,102.75 = 8,758.01 : x
  2. Step 2: Convert to fraction form
    25,400.16/38,102.75 = 8,758.01/x
  3. Step 3: Cross multiply
    25,400.16x = 38,102.75 × 8,758.01
  4. Step 4: Simplify right side
    25,400.16x = 333,704,265.53
  5. Step 5: Solve for x
    x = 333,704,265.53/25,400.16
  6. Step 6: Final answer
    x = 13,137.88

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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.