Home / 16,126.26-22,255.59-9,412.32

Finding the Fourth Proportional to 16,126.26, 22,255.59 and 9,412.32

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Solution

The fourth proportional to 16,126.26, 22,255.59 and 9,412.32 is: 12,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.26 : 22,255.59 = 9,412.32 : x
  2. Step 2: Convert to fraction form
    16,126.26/22,255.59 = 9,412.32/x
  3. Step 3: Cross multiply
    16,126.26x = 22,255.59 × 9,412.32
  4. Step 4: Simplify right side
    16,126.26x = 209,476,734.87
  5. Step 5: Solve for x
    x = 209,476,734.87/16,126.26
  6. Step 6: Final answer
    x = 12,989.79

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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.