Home / 34,134.64-47,105.60-19,984.64

Finding the Fourth Proportional to 34,134.64, 47,105.60 and 19,984.64

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Solution

The fourth proportional to 34,134.64, 47,105.60 and 19,984.64 is: 27,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,134.64 : 47,105.60 = 19,984.64 : x
  2. Step 2: Convert to fraction form
    34,134.64/47,105.60 = 19,984.64/x
  3. Step 3: Cross multiply
    34,134.64x = 47,105.60 × 19,984.64
  4. Step 4: Simplify right side
    34,134.64x = 941,388,457.98
  5. Step 5: Solve for x
    x = 941,388,457.98/34,134.64
  6. Step 6: Final answer
    x = 27,578.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.