Home / 21,968.05-32,945.26-7,926.25

Finding the Fourth Proportional to 21,968.05, 32,945.26 and 7,926.25

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Solution

The fourth proportional to 21,968.05, 32,945.26 and 7,926.25 is: 11,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.05 : 32,945.26 = 7,926.25 : x
  2. Step 2: Convert to fraction form
    21,968.05/32,945.26 = 7,926.25/x
  3. Step 3: Cross multiply
    21,968.05x = 32,945.26 × 7,926.25
  4. Step 4: Simplify right side
    21,968.05x = 261,132,465.08
  5. Step 5: Solve for x
    x = 261,132,465.08/21,968.05
  6. Step 6: Final answer
    x = 11,886.92

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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.