Home / 20,213.07-27,894.36-11,600.67

Finding the Fourth Proportional to 20,213.07, 27,894.36 and 11,600.67

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Solution

The fourth proportional to 20,213.07, 27,894.36 and 11,600.67 is: 16,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.07 : 27,894.36 = 11,600.67 : x
  2. Step 2: Convert to fraction form
    20,213.07/27,894.36 = 11,600.67/x
  3. Step 3: Cross multiply
    20,213.07x = 27,894.36 × 11,600.67
  4. Step 4: Simplify right side
    20,213.07x = 323,593,265.22
  5. Step 5: Solve for x
    x = 323,593,265.22/20,213.07
  6. Step 6: Final answer
    x = 16,009.11

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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.