Home / 20,023.94-27,632.58-11,071.51

Finding the Fourth Proportional to 20,023.94, 27,632.58 and 11,071.51

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Solution

The fourth proportional to 20,023.94, 27,632.58 and 11,071.51 is: 15,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.94 : 27,632.58 = 11,071.51 : x
  2. Step 2: Convert to fraction form
    20,023.94/27,632.58 = 11,071.51/x
  3. Step 3: Cross multiply
    20,023.94x = 27,632.58 × 11,071.51
  4. Step 4: Simplify right side
    20,023.94x = 305,934,385.80
  5. Step 5: Solve for x
    x = 305,934,385.80/20,023.94
  6. Step 6: Final answer
    x = 15,278.43

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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.