Home / 26,170.72-36,128.94-17,717.51

Finding the Fourth Proportional to 26,170.72, 36,128.94 and 17,717.51

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Solution

The fourth proportional to 26,170.72, 36,128.94 and 17,717.51 is: 24,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.72 : 36,128.94 = 17,717.51 : x
  2. Step 2: Convert to fraction form
    26,170.72/36,128.94 = 17,717.51/x
  3. Step 3: Cross multiply
    26,170.72x = 36,128.94 × 17,717.51
  4. Step 4: Simplify right side
    26,170.72x = 640,114,855.74
  5. Step 5: Solve for x
    x = 640,114,855.74/26,170.72
  6. Step 6: Final answer
    x = 24,459.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.