Home / 20,933.61-28,832.22-19,357.08

Finding the Fourth Proportional to 20,933.61, 28,832.22 and 19,357.08

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Solution

The fourth proportional to 20,933.61, 28,832.22 and 19,357.08 is: 26,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.61 : 28,832.22 = 19,357.08 : x
  2. Step 2: Convert to fraction form
    20,933.61/28,832.22 = 19,357.08/x
  3. Step 3: Cross multiply
    20,933.61x = 28,832.22 × 19,357.08
  4. Step 4: Simplify right side
    20,933.61x = 558,107,589.12
  5. Step 5: Solve for x
    x = 558,107,589.12/20,933.61
  6. Step 6: Final answer
    x = 26,660.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.