Home / 21,555.11-32,330.54-6,755.94

Finding the Fourth Proportional to 21,555.11, 32,330.54 and 6,755.94

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Solution

The fourth proportional to 21,555.11, 32,330.54 and 6,755.94 is: 10,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.11 : 32,330.54 = 6,755.94 : x
  2. Step 2: Convert to fraction form
    21,555.11/32,330.54 = 6,755.94/x
  3. Step 3: Cross multiply
    21,555.11x = 32,330.54 × 6,755.94
  4. Step 4: Simplify right side
    21,555.11x = 218,423,205.30
  5. Step 5: Solve for x
    x = 218,423,205.30/21,555.11
  6. Step 6: Final answer
    x = 10,133.24

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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.