Home / 20,023.58-27,632.05-11,070.85

Finding the Fourth Proportional to 20,023.58, 27,632.05 and 11,070.85

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Solution

The fourth proportional to 20,023.58, 27,632.05 and 11,070.85 is: 15,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.58 : 27,632.05 = 11,070.85 : x
  2. Step 2: Convert to fraction form
    20,023.58/27,632.05 = 11,070.85/x
  3. Step 3: Cross multiply
    20,023.58x = 27,632.05 × 11,070.85
  4. Step 4: Simplify right side
    20,023.58x = 305,910,225.39
  5. Step 5: Solve for x
    x = 305,910,225.39/20,023.58
  6. Step 6: Final answer
    x = 15,277.50

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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.