Home / 20,250.03-27,947.21-11,300.64

Finding the Fourth Proportional to 20,250.03, 27,947.21 and 11,300.64

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Solution

The fourth proportional to 20,250.03, 27,947.21 and 11,300.64 is: 15,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.03 : 27,947.21 = 11,300.64 : x
  2. Step 2: Convert to fraction form
    20,250.03/27,947.21 = 11,300.64/x
  3. Step 3: Cross multiply
    20,250.03x = 27,947.21 × 11,300.64
  4. Step 4: Simplify right side
    20,250.03x = 315,821,302.71
  5. Step 5: Solve for x
    x = 315,821,302.71/20,250.03
  6. Step 6: Final answer
    x = 15,596.09

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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.