Home / 25,174.65-34,732.37-15,611.10

Finding the Fourth Proportional to 25,174.65, 34,732.37 and 15,611.10

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Solution

The fourth proportional to 25,174.65, 34,732.37 and 15,611.10 is: 21,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.65 : 34,732.37 = 15,611.10 : x
  2. Step 2: Convert to fraction form
    25,174.65/34,732.37 = 15,611.10/x
  3. Step 3: Cross multiply
    25,174.65x = 34,732.37 × 15,611.10
  4. Step 4: Simplify right side
    25,174.65x = 542,210,423.25
  5. Step 5: Solve for x
    x = 542,210,423.25/25,174.65
  6. Step 6: Final answer
    x = 21,537.95

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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.