Home / 19,713.12-29,495.54-11,786.46

Finding the Fourth Proportional to 19,713.12, 29,495.54 and 11,786.46

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Solution

The fourth proportional to 19,713.12, 29,495.54 and 11,786.46 is: 17,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.12 : 29,495.54 = 11,786.46 : x
  2. Step 2: Convert to fraction form
    19,713.12/29,495.54 = 11,786.46/x
  3. Step 3: Cross multiply
    19,713.12x = 29,495.54 × 11,786.46
  4. Step 4: Simplify right side
    19,713.12x = 347,648,002.39
  5. Step 5: Solve for x
    x = 347,648,002.39/19,713.12
  6. Step 6: Final answer
    x = 17,635.36

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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.