Home / 17,678.34-26,517.87-14,151.98

Finding the Fourth Proportional to 17,678.34, 26,517.87 and 14,151.98

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Solution

The fourth proportional to 17,678.34, 26,517.87 and 14,151.98 is: 21,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.34 : 26,517.87 = 14,151.98 : x
  2. Step 2: Convert to fraction form
    17,678.34/26,517.87 = 14,151.98/x
  3. Step 3: Cross multiply
    17,678.34x = 26,517.87 × 14,151.98
  4. Step 4: Simplify right side
    17,678.34x = 375,280,432.18
  5. Step 5: Solve for x
    x = 375,280,432.18/17,678.34
  6. Step 6: Final answer
    x = 21,228.26

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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.