Home / 26,431.16-39,568.95-17,644.28

Finding the Fourth Proportional to 26,431.16, 39,568.95 and 17,644.28

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Solution

The fourth proportional to 26,431.16, 39,568.95 and 17,644.28 is: 26,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.16 : 39,568.95 = 17,644.28 : x
  2. Step 2: Convert to fraction form
    26,431.16/39,568.95 = 17,644.28/x
  3. Step 3: Cross multiply
    26,431.16x = 39,568.95 × 17,644.28
  4. Step 4: Simplify right side
    26,431.16x = 698,165,435.26
  5. Step 5: Solve for x
    x = 698,165,435.26/26,431.16
  6. Step 6: Final answer
    x = 26,414.49

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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.