Home / 26,740.67-36,919.53-18,579.51

Finding the Fourth Proportional to 26,740.67, 36,919.53 and 18,579.51

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Solution

The fourth proportional to 26,740.67, 36,919.53 and 18,579.51 is: 25,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.67 : 36,919.53 = 18,579.51 : x
  2. Step 2: Convert to fraction form
    26,740.67/36,919.53 = 18,579.51/x
  3. Step 3: Cross multiply
    26,740.67x = 36,919.53 × 18,579.51
  4. Step 4: Simplify right side
    26,740.67x = 685,946,776.83
  5. Step 5: Solve for x
    x = 685,946,776.83/26,740.67
  6. Step 6: Final answer
    x = 25,651.82

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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.