Home / 22,405.07-33,628.36-11,319.57

Finding the Fourth Proportional to 22,405.07, 33,628.36 and 11,319.57

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Solution

The fourth proportional to 22,405.07, 33,628.36 and 11,319.57 is: 16,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.07 : 33,628.36 = 11,319.57 : x
  2. Step 2: Convert to fraction form
    22,405.07/33,628.36 = 11,319.57/x
  3. Step 3: Cross multiply
    22,405.07x = 33,628.36 × 11,319.57
  4. Step 4: Simplify right side
    22,405.07x = 380,658,575.01
  5. Step 5: Solve for x
    x = 380,658,575.01/22,405.07
  6. Step 6: Final answer
    x = 16,989.84

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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.