Home / 26,131.64-36,041.79-18,078.70

Finding the Fourth Proportional to 26,131.64, 36,041.79 and 18,078.70

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Solution

The fourth proportional to 26,131.64, 36,041.79 and 18,078.70 is: 24,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.64 : 36,041.79 = 18,078.70 : x
  2. Step 2: Convert to fraction form
    26,131.64/36,041.79 = 18,078.70/x
  3. Step 3: Cross multiply
    26,131.64x = 36,041.79 × 18,078.70
  4. Step 4: Simplify right side
    26,131.64x = 651,588,708.87
  5. Step 5: Solve for x
    x = 651,588,708.87/26,131.64
  6. Step 6: Final answer
    x = 24,934.86

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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.