Home / 20,022.29-27,632.81-11,524.71

Finding the Fourth Proportional to 20,022.29, 27,632.81 and 11,524.71

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Solution

The fourth proportional to 20,022.29, 27,632.81 and 11,524.71 is: 15,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.29 : 27,632.81 = 11,524.71 : x
  2. Step 2: Convert to fraction form
    20,022.29/27,632.81 = 11,524.71/x
  3. Step 3: Cross multiply
    20,022.29x = 27,632.81 × 11,524.71
  4. Step 4: Simplify right side
    20,022.29x = 318,460,064.11
  5. Step 5: Solve for x
    x = 318,460,064.11/20,022.29
  6. Step 6: Final answer
    x = 15,905.28

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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.