Home / 17,531.90-26,305.55-9,209.98

Finding the Fourth Proportional to 17,531.90, 26,305.55 and 9,209.98

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Solution

The fourth proportional to 17,531.90, 26,305.55 and 9,209.98 is: 13,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.90 : 26,305.55 = 9,209.98 : x
  2. Step 2: Convert to fraction form
    17,531.90/26,305.55 = 9,209.98/x
  3. Step 3: Cross multiply
    17,531.90x = 26,305.55 × 9,209.98
  4. Step 4: Simplify right side
    17,531.90x = 242,273,546.65
  5. Step 5: Solve for x
    x = 242,273,546.65/17,531.90
  6. Step 6: Final answer
    x = 13,819.02

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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.