Home / 31,786.04-47,684.56-13,076.36

Finding the Fourth Proportional to 31,786.04, 47,684.56 and 13,076.36

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Solution

The fourth proportional to 31,786.04, 47,684.56 and 13,076.36 is: 19,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.04 : 47,684.56 = 13,076.36 : x
  2. Step 2: Convert to fraction form
    31,786.04/47,684.56 = 13,076.36/x
  3. Step 3: Cross multiply
    31,786.04x = 47,684.56 × 13,076.36
  4. Step 4: Simplify right side
    31,786.04x = 623,540,473.00
  5. Step 5: Solve for x
    x = 623,540,473.00/31,786.04
  6. Step 6: Final answer
    x = 19,616.80

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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.