Home / 21,862.73-32,811.57-11,335.75

Finding the Fourth Proportional to 21,862.73, 32,811.57 and 11,335.75

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Solution

The fourth proportional to 21,862.73, 32,811.57 and 11,335.75 is: 17,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.73 : 32,811.57 = 11,335.75 : x
  2. Step 2: Convert to fraction form
    21,862.73/32,811.57 = 11,335.75/x
  3. Step 3: Cross multiply
    21,862.73x = 32,811.57 × 11,335.75
  4. Step 4: Simplify right side
    21,862.73x = 371,943,672.60
  5. Step 5: Solve for x
    x = 371,943,672.60/21,862.73
  6. Step 6: Final answer
    x = 17,012.68

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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.