Home / 21,808.20-32,702.58-6,222.18

Finding the Fourth Proportional to 21,808.20, 32,702.58 and 6,222.18

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Solution

The fourth proportional to 21,808.20, 32,702.58 and 6,222.18 is: 9,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808.20 : 32,702.58 = 6,222.18 : x
  2. Step 2: Convert to fraction form
    21,808.20/32,702.58 = 6,222.18/x
  3. Step 3: Cross multiply
    21,808.20x = 32,702.58 × 6,222.18
  4. Step 4: Simplify right side
    21,808.20x = 203,481,339.22
  5. Step 5: Solve for x
    x = 203,481,339.22/21,808.20
  6. Step 6: Final answer
    x = 9,330.50

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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.