Home / 19,841.76-29,768.28-16,178.64

Finding the Fourth Proportional to 19,841.76, 29,768.28 and 16,178.64

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Solution

The fourth proportional to 19,841.76, 29,768.28 and 16,178.64 is: 24,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.76 : 29,768.28 = 16,178.64 : x
  2. Step 2: Convert to fraction form
    19,841.76/29,768.28 = 16,178.64/x
  3. Step 3: Cross multiply
    19,841.76x = 29,768.28 × 16,178.64
  4. Step 4: Simplify right side
    19,841.76x = 481,610,285.54
  5. Step 5: Solve for x
    x = 481,610,285.54/19,841.76
  6. Step 6: Final answer
    x = 24,272.56

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1.5x scale

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.