Home / 21,811.08-32,722.02-6,228.84

Finding the Fourth Proportional to 21,811.08, 32,722.02 and 6,228.84

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Solution

The fourth proportional to 21,811.08, 32,722.02 and 6,228.84 is: 9,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.08 : 32,722.02 = 6,228.84 : x
  2. Step 2: Convert to fraction form
    21,811.08/32,722.02 = 6,228.84/x
  3. Step 3: Cross multiply
    21,811.08x = 32,722.02 × 6,228.84
  4. Step 4: Simplify right side
    21,811.08x = 203,820,227.06
  5. Step 5: Solve for x
    x = 203,820,227.06/21,811.08
  6. Step 6: Final answer
    x = 9,344.80

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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.