Home / 26,151.80-36,097.74-16,720.40

Finding the Fourth Proportional to 26,151.80, 36,097.74 and 16,720.40

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Solution

The fourth proportional to 26,151.80, 36,097.74 and 16,720.40 is: 23,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.80 : 36,097.74 = 16,720.40 : x
  2. Step 2: Convert to fraction form
    26,151.80/36,097.74 = 16,720.40/x
  3. Step 3: Cross multiply
    26,151.80x = 36,097.74 × 16,720.40
  4. Step 4: Simplify right side
    26,151.80x = 603,568,651.90
  5. Step 5: Solve for x
    x = 603,568,651.90/26,151.80
  6. Step 6: Final answer
    x = 23,079.43

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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.