Home / 20,052.85-27,673.28-10,979.01

Finding the Fourth Proportional to 20,052.85, 27,673.28 and 10,979.01

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Solution

The fourth proportional to 20,052.85, 27,673.28 and 10,979.01 is: 15,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.85 : 27,673.28 = 10,979.01 : x
  2. Step 2: Convert to fraction form
    20,052.85/27,673.28 = 10,979.01/x
  3. Step 3: Cross multiply
    20,052.85x = 27,673.28 × 10,979.01
  4. Step 4: Simplify right side
    20,052.85x = 303,825,217.85
  5. Step 5: Solve for x
    x = 303,825,217.85/20,052.85
  6. Step 6: Final answer
    x = 15,151.22

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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.