Home / 26,142.30-36,076.42-14,205.78

Finding the Fourth Proportional to 26,142.30, 36,076.42 and 14,205.78

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Solution

The fourth proportional to 26,142.30, 36,076.42 and 14,205.78 is: 19,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.30 : 36,076.42 = 14,205.78 : x
  2. Step 2: Convert to fraction form
    26,142.30/36,076.42 = 14,205.78/x
  3. Step 3: Cross multiply
    26,142.30x = 36,076.42 × 14,205.78
  4. Step 4: Simplify right side
    26,142.30x = 512,493,685.71
  5. Step 5: Solve for x
    x = 512,493,685.71/26,142.30
  6. Step 6: Final answer
    x = 19,604.00

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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.