Home / 17,580.29-26,369.52-4,432.78

Finding the Fourth Proportional to 17,580.29, 26,369.52 and 4,432.78

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Solution

The fourth proportional to 17,580.29, 26,369.52 and 4,432.78 is: 6,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.29 : 26,369.52 = 4,432.78 : x
  2. Step 2: Convert to fraction form
    17,580.29/26,369.52 = 4,432.78/x
  3. Step 3: Cross multiply
    17,580.29x = 26,369.52 × 4,432.78
  4. Step 4: Simplify right side
    17,580.29x = 116,890,186.28
  5. Step 5: Solve for x
    x = 116,890,186.28/17,580.29
  6. Step 6: Final answer
    x = 6,648.93

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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.