Home / 21,811.93-32,660.78-14,291.84

Finding the Fourth Proportional to 21,811.93, 32,660.78 and 14,291.84

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Solution

The fourth proportional to 21,811.93, 32,660.78 and 14,291.84 is: 21,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.93 : 32,660.78 = 14,291.84 : x
  2. Step 2: Convert to fraction form
    21,811.93/32,660.78 = 14,291.84/x
  3. Step 3: Cross multiply
    21,811.93x = 32,660.78 × 14,291.84
  4. Step 4: Simplify right side
    21,811.93x = 466,782,652.23
  5. Step 5: Solve for x
    x = 466,782,652.23/21,811.93
  6. Step 6: Final answer
    x = 21,400.34

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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.