Home / 16,845.76-25,272.33-5,159.89

Finding the Fourth Proportional to 16,845.76, 25,272.33 and 5,159.89

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Solution

The fourth proportional to 16,845.76, 25,272.33 and 5,159.89 is: 7,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.76 : 25,272.33 = 5,159.89 : x
  2. Step 2: Convert to fraction form
    16,845.76/25,272.33 = 5,159.89/x
  3. Step 3: Cross multiply
    16,845.76x = 25,272.33 × 5,159.89
  4. Step 4: Simplify right side
    16,845.76x = 130,402,442.84
  5. Step 5: Solve for x
    x = 130,402,442.84/16,845.76
  6. Step 6: Final answer
    x = 7,740.97

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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.