Home / 25,679.95-38,454.17-17,771.52

Finding the Fourth Proportional to 25,679.95, 38,454.17 and 17,771.52

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Solution

The fourth proportional to 25,679.95, 38,454.17 and 17,771.52 is: 26,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.95 : 38,454.17 = 17,771.52 : x
  2. Step 2: Convert to fraction form
    25,679.95/38,454.17 = 17,771.52/x
  3. Step 3: Cross multiply
    25,679.95x = 38,454.17 × 17,771.52
  4. Step 4: Simplify right side
    25,679.95x = 683,388,980.96
  5. Step 5: Solve for x
    x = 683,388,980.96/25,679.95
  6. Step 6: Final answer
    x = 26,611.77

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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.