Home / 17,019.09-23,479.62-9,847.70

Finding the Fourth Proportional to 17,019.09, 23,479.62 and 9,847.70

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Solution

The fourth proportional to 17,019.09, 23,479.62 and 9,847.70 is: 13,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.09 : 23,479.62 = 9,847.70 : x
  2. Step 2: Convert to fraction form
    17,019.09/23,479.62 = 9,847.70/x
  3. Step 3: Cross multiply
    17,019.09x = 23,479.62 × 9,847.70
  4. Step 4: Simplify right side
    17,019.09x = 231,220,136.48
  5. Step 5: Solve for x
    x = 231,220,136.48/17,019.09
  6. Step 6: Final answer
    x = 13,585.93

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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.