Home / 20,022.05-27,629.08-11,068.35

Finding the Fourth Proportional to 20,022.05, 27,629.08 and 11,068.35

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Solution

The fourth proportional to 20,022.05, 27,629.08 and 11,068.35 is: 15,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.05 : 27,629.08 = 11,068.35 : x
  2. Step 2: Convert to fraction form
    20,022.05/27,629.08 = 11,068.35/x
  3. Step 3: Cross multiply
    20,022.05x = 27,629.08 × 11,068.35
  4. Step 4: Simplify right side
    20,022.05x = 305,808,196.34
  5. Step 5: Solve for x
    x = 305,808,196.34/20,022.05
  6. Step 6: Final answer
    x = 15,273.57

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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.