Home / 26,555.28-39,857.54-13,416.89

Finding the Fourth Proportional to 26,555.28, 39,857.54 and 13,416.89

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Solution

The fourth proportional to 26,555.28, 39,857.54 and 13,416.89 is: 20,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.28 : 39,857.54 = 13,416.89 : x
  2. Step 2: Convert to fraction form
    26,555.28/39,857.54 = 13,416.89/x
  3. Step 3: Cross multiply
    26,555.28x = 39,857.54 × 13,416.89
  4. Step 4: Simplify right side
    26,555.28x = 534,763,963.48
  5. Step 5: Solve for x
    x = 534,763,963.48/26,555.28
  6. Step 6: Final answer
    x = 20,137.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.