Home / 26,120.07-36,070.29-18,183.99

Finding the Fourth Proportional to 26,120.07, 36,070.29 and 18,183.99

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Solution

The fourth proportional to 26,120.07, 36,070.29 and 18,183.99 is: 25,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.07 : 36,070.29 = 18,183.99 : x
  2. Step 2: Convert to fraction form
    26,120.07/36,070.29 = 18,183.99/x
  3. Step 3: Cross multiply
    26,120.07x = 36,070.29 × 18,183.99
  4. Step 4: Simplify right side
    26,120.07x = 655,901,792.66
  5. Step 5: Solve for x
    x = 655,901,792.66/26,120.07
  6. Step 6: Final answer
    x = 25,111.03

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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.