Home / 21,854.33-32,756.69-19,216.73

Finding the Fourth Proportional to 21,854.33, 32,756.69 and 19,216.73

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Solution

The fourth proportional to 21,854.33, 32,756.69 and 19,216.73 is: 28,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.33 : 32,756.69 = 19,216.73 : x
  2. Step 2: Convert to fraction form
    21,854.33/32,756.69 = 19,216.73/x
  3. Step 3: Cross multiply
    21,854.33x = 32,756.69 × 19,216.73
  4. Step 4: Simplify right side
    21,854.33x = 629,476,371.34
  5. Step 5: Solve for x
    x = 629,476,371.34/21,854.33
  6. Step 6: Final answer
    x = 28,803.28

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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.