Home / 21,995.25-32,992.42-5,355.38

Finding the Fourth Proportional to 21,995.25, 32,992.42 and 5,355.38

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Solution

The fourth proportional to 21,995.25, 32,992.42 and 5,355.38 is: 8,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.25 : 32,992.42 = 5,355.38 : x
  2. Step 2: Convert to fraction form
    21,995.25/32,992.42 = 5,355.38/x
  3. Step 3: Cross multiply
    21,995.25x = 32,992.42 × 5,355.38
  4. Step 4: Simplify right side
    21,995.25x = 176,686,946.22
  5. Step 5: Solve for x
    x = 176,686,946.22/21,995.25
  6. Step 6: Final answer
    x = 8,032.96

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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.