Home / 17,431.05-26,139.66-6,331.68

Finding the Fourth Proportional to 17,431.05, 26,139.66 and 6,331.68

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Solution

The fourth proportional to 17,431.05, 26,139.66 and 6,331.68 is: 9,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.05 : 26,139.66 = 6,331.68 : x
  2. Step 2: Convert to fraction form
    17,431.05/26,139.66 = 6,331.68/x
  3. Step 3: Cross multiply
    17,431.05x = 26,139.66 × 6,331.68
  4. Step 4: Simplify right side
    17,431.05x = 165,507,962.43
  5. Step 5: Solve for x
    x = 165,507,962.43/17,431.05
  6. Step 6: Final answer
    x = 9,495.01

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Double scale
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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.