Home / 20,022.93-27,630.28-11,069.22

Finding the Fourth Proportional to 20,022.93, 27,630.28 and 11,069.22

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Solution

The fourth proportional to 20,022.93, 27,630.28 and 11,069.22 is: 15,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.93 : 27,630.28 = 11,069.22 : x
  2. Step 2: Convert to fraction form
    20,022.93/27,630.28 = 11,069.22/x
  3. Step 3: Cross multiply
    20,022.93x = 27,630.28 × 11,069.22
  4. Step 4: Simplify right side
    20,022.93x = 305,845,647.98
  5. Step 5: Solve for x
    x = 305,845,647.98/20,022.93
  6. Step 6: Final answer
    x = 15,274.77

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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.