Home / 21,926.97-32,890.86-7,135.83

Finding the Fourth Proportional to 21,926.97, 32,890.86 and 7,135.83

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Solution

The fourth proportional to 21,926.97, 32,890.86 and 7,135.83 is: 10,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.97 : 32,890.86 = 7,135.83 : x
  2. Step 2: Convert to fraction form
    21,926.97/32,890.86 = 7,135.83/x
  3. Step 3: Cross multiply
    21,926.97x = 32,890.86 × 7,135.83
  4. Step 4: Simplify right side
    21,926.97x = 234,703,585.51
  5. Step 5: Solve for x
    x = 234,703,585.51/21,926.97
  6. Step 6: Final answer
    x = 10,703.88

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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.