Home / 21,973.02-32,963.78-7,177.96

Finding the Fourth Proportional to 21,973.02, 32,963.78 and 7,177.96

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Solution

The fourth proportional to 21,973.02, 32,963.78 and 7,177.96 is: 10,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.02 : 32,963.78 = 7,177.96 : x
  2. Step 2: Convert to fraction form
    21,973.02/32,963.78 = 7,177.96/x
  3. Step 3: Cross multiply
    21,973.02x = 32,963.78 × 7,177.96
  4. Step 4: Simplify right side
    21,973.02x = 236,612,694.29
  5. Step 5: Solve for x
    x = 236,612,694.29/21,973.02
  6. Step 6: Final answer
    x = 10,768.33

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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.