Home / 26,109.72-36,072.18-17,153.64

Finding the Fourth Proportional to 26,109.72, 36,072.18 and 17,153.64

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Solution

The fourth proportional to 26,109.72, 36,072.18 and 17,153.64 is: 23,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.72 : 36,072.18 = 17,153.64 : x
  2. Step 2: Convert to fraction form
    26,109.72/36,072.18 = 17,153.64/x
  3. Step 3: Cross multiply
    26,109.72x = 36,072.18 × 17,153.64
  4. Step 4: Simplify right side
    26,109.72x = 618,769,189.74
  5. Step 5: Solve for x
    x = 618,769,189.74/26,109.72
  6. Step 6: Final answer
    x = 23,698.81

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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.