Home / 21,461.23-32,190.27-7,229.80

Finding the Fourth Proportional to 21,461.23, 32,190.27 and 7,229.80

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Solution

The fourth proportional to 21,461.23, 32,190.27 and 7,229.80 is: 10,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.23 : 32,190.27 = 7,229.80 : x
  2. Step 2: Convert to fraction form
    21,461.23/32,190.27 = 7,229.80/x
  3. Step 3: Cross multiply
    21,461.23x = 32,190.27 × 7,229.80
  4. Step 4: Simplify right side
    21,461.23x = 232,729,214.05
  5. Step 5: Solve for x
    x = 232,729,214.05/21,461.23
  6. Step 6: Final answer
    x = 10,844.17

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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.