Home / 17,786.57-26,654.21-13,551.63

Finding the Fourth Proportional to 17,786.57, 26,654.21 and 13,551.63

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Solution

The fourth proportional to 17,786.57, 26,654.21 and 13,551.63 is: 20,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.57 : 26,654.21 = 13,551.63 : x
  2. Step 2: Convert to fraction form
    17,786.57/26,654.21 = 13,551.63/x
  3. Step 3: Cross multiply
    17,786.57x = 26,654.21 × 13,551.63
  4. Step 4: Simplify right side
    17,786.57x = 361,207,924.10
  5. Step 5: Solve for x
    x = 361,207,924.10/17,786.57
  6. Step 6: Final answer
    x = 20,307.91

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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.