Home / 26,190.42-36,142.83-14,253.75

Finding the Fourth Proportional to 26,190.42, 36,142.83 and 14,253.75

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Solution

The fourth proportional to 26,190.42, 36,142.83 and 14,253.75 is: 19,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.42 : 36,142.83 = 14,253.75 : x
  2. Step 2: Convert to fraction form
    26,190.42/36,142.83 = 14,253.75/x
  3. Step 3: Cross multiply
    26,190.42x = 36,142.83 × 14,253.75
  4. Step 4: Simplify right side
    26,190.42x = 515,170,863.11
  5. Step 5: Solve for x
    x = 515,170,863.11/26,190.42
  6. Step 6: Final answer
    x = 19,670.20

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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.