Home / 16,135.14-22,267.69-9,419.33

Finding the Fourth Proportional to 16,135.14, 22,267.69 and 9,419.33

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Solution

The fourth proportional to 16,135.14, 22,267.69 and 9,419.33 is: 12,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.14 : 22,267.69 = 9,419.33 : x
  2. Step 2: Convert to fraction form
    16,135.14/22,267.69 = 9,419.33/x
  3. Step 3: Cross multiply
    16,135.14x = 22,267.69 × 9,419.33
  4. Step 4: Simplify right side
    16,135.14x = 209,746,720.45
  5. Step 5: Solve for x
    x = 209,746,720.45/16,135.14
  6. Step 6: Final answer
    x = 12,999.37

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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.