Home / 15,797.43-21,797.10-9,422.33

Finding the Fourth Proportional to 15,797.43, 21,797.10 and 9,422.33

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Solution

The fourth proportional to 15,797.43, 21,797.10 and 9,422.33 is: 13,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.43 : 21,797.10 = 9,422.33 : x
  2. Step 2: Convert to fraction form
    15,797.43/21,797.10 = 9,422.33/x
  3. Step 3: Cross multiply
    15,797.43x = 21,797.10 × 9,422.33
  4. Step 4: Simplify right side
    15,797.43x = 205,379,360.26
  5. Step 5: Solve for x
    x = 205,379,360.26/15,797.43
  6. Step 6: Final answer
    x = 13,000.81

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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.