Home / 17,522.90-26,287.80-6,429.69

Finding the Fourth Proportional to 17,522.90, 26,287.80 and 6,429.69

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Solution

The fourth proportional to 17,522.90, 26,287.80 and 6,429.69 is: 9,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,522.90 : 26,287.80 = 6,429.69 : x
  2. Step 2: Convert to fraction form
    17,522.90/26,287.80 = 6,429.69/x
  3. Step 3: Cross multiply
    17,522.90x = 26,287.80 × 6,429.69
  4. Step 4: Simplify right side
    17,522.90x = 169,022,404.78
  5. Step 5: Solve for x
    x = 169,022,404.78/17,522.90
  6. Step 6: Final answer
    x = 9,645.80

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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.