Home / 18,331.10-27,496.75-6,644.01

Finding the Fourth Proportional to 18,331.10, 27,496.75 and 6,644.01

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Solution

The fourth proportional to 18,331.10, 27,496.75 and 6,644.01 is: 9,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.10 : 27,496.75 = 6,644.01 : x
  2. Step 2: Convert to fraction form
    18,331.10/27,496.75 = 6,644.01/x
  3. Step 3: Cross multiply
    18,331.10x = 27,496.75 × 6,644.01
  4. Step 4: Simplify right side
    18,331.10x = 182,688,681.97
  5. Step 5: Solve for x
    x = 182,688,681.97/18,331.10
  6. Step 6: Final answer
    x = 9,966.05

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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.