Home / 21,925.06-32,891.04-7,130.52

Finding the Fourth Proportional to 21,925.06, 32,891.04 and 7,130.52

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Solution

The fourth proportional to 21,925.06, 32,891.04 and 7,130.52 is: 10,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.06 : 32,891.04 = 7,130.52 : x
  2. Step 2: Convert to fraction form
    21,925.06/32,891.04 = 7,130.52/x
  3. Step 3: Cross multiply
    21,925.06x = 32,891.04 × 7,130.52
  4. Step 4: Simplify right side
    21,925.06x = 234,530,218.54
  5. Step 5: Solve for x
    x = 234,530,218.54/21,925.06
  6. Step 6: Final answer
    x = 10,696.90

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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.