Home / 21,766.12-32,628.29-13,844.07

Finding the Fourth Proportional to 21,766.12, 32,628.29 and 13,844.07

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Solution

The fourth proportional to 21,766.12, 32,628.29 and 13,844.07 is: 20,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.12 : 32,628.29 = 13,844.07 : x
  2. Step 2: Convert to fraction form
    21,766.12/32,628.29 = 13,844.07/x
  3. Step 3: Cross multiply
    21,766.12x = 32,628.29 × 13,844.07
  4. Step 4: Simplify right side
    21,766.12x = 451,708,261.52
  5. Step 5: Solve for x
    x = 451,708,261.52/21,766.12
  6. Step 6: Final answer
    x = 20,752.82

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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.