Home / 17,431.10-26,157.38-6,899.33

Finding the Fourth Proportional to 17,431.10, 26,157.38 and 6,899.33

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Solution

The fourth proportional to 17,431.10, 26,157.38 and 6,899.33 is: 10,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.10 : 26,157.38 = 6,899.33 : x
  2. Step 2: Convert to fraction form
    17,431.10/26,157.38 = 6,899.33/x
  3. Step 3: Cross multiply
    17,431.10x = 26,157.38 × 6,899.33
  4. Step 4: Simplify right side
    17,431.10x = 180,468,248.52
  5. Step 5: Solve for x
    x = 180,468,248.52/17,431.10
  6. Step 6: Final answer
    x = 10,353.23

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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.